This is a solid BCG pick, designed to function well with nearly every caliber the AR-10 is made for. Pretty sure Tubb doesnt do his carrier weight system anymore. Very pleased with them, biggest problem i have is i don't want to shoot my other Ar15 that doesn't have the JP system installed. Here's how! It's when you get to the carbines that things come with a few different numbers and tuning comes into play. It is also the lightest AR-15 for sale, although some State's gun laws don't like it, at all. For a quality AR-10 receiver set, Live Free Armory offers a matched upper-and-lower receiver set for $250. We carry only the lightest parts and accessories with free shipping on select items. I guess if your gun weights north of 10# it probably doesn't matter. A lot of people seem to forget how big of an impact the gas block can have on the shooting experience of any AR platform rifle. Whats more, AR-10 rifles tend to be pretty hefty, and for lightweight options, prices climb for every ounce shaved. With that Vltor ( Magpul UBR uses that length tube ) buffer tube length, and a .308 AR BCG, you will be able to use standard AR15 buffers. I am looking towards tuning the rifle for minimal recoil impulse with factory ammo and milsurp non suppressed fire. Guntec USA AR-10/LR-308 Car Buffer Spring Set Similar Products. Everything is bigger and badder on a .308, it's all proportional. I would also recommend a hydraulic buffer. Add to Cart The item has been added. MSRP: $8.95 SALE PRICE: $4.50. The muzzle end is threaded and features an 11-degree target crown, to boot.For this build, and the main component contributing to the lightweight aspect of the rifle, we chose Brigand Arms for its handguards. Add To Compare . Available to fit AR-10, AR-15 and 9mm platforms, each buffer also comes with multiple weights to customize the weight combination for your personal build. Light Mounts. I ran it with an Ops Inc 3rd Model silencer and with the AGB adjusted so it would barely lock back on an empty mag, it would leave BAD swipes on the brass even with moderate (2700fps with 140s and 2800fps with 130s) loads. it will have more recoil but hopefully a soft impulse feel. AR-10 / LR-308 Complete Upper Receiver Assemblies, Shop All Complete Upper Receiver Assemblies, Shop All AR-10 / LR-308 Complete Upper Receiver Assemblies, Shop All AR-10 / LR-308 Upper Receiver Parts, Shop All AR-10 / LR-308 Lower Receiver Parts, Shop All Handgun Barrels & Muzzle Devices, Shop All Bipods / Monopods & Accessories, Strike Industries AR-15 Charging Handle with Extended Latch, Strike Industries AR-15 Enhanced Ultimate Dust Cover, Strike Industries Lightweight AR-15 Forward Assist, V Seven Titanium AR-15 Buffer Retainer Spring Kit, Sprinco AR 308 Extra Power Carbine Buffer Spring, 2A Armament Builder Series AR-10 Carbine Buffer Tube, Armaspec Fixed Stock to Carbine Spacer for Stealth Recoil Spring/Sound Mitigation Buffer, Aero Precision M5 .308 Enhanced Carbine Buffer Tube Kit, Armaspec .308 Sound Mitigation Buffer System (SMB), Armaspec Stealth Recoil Spring .308 Buffer System, Aero Precision M5 .308 Rifle Buffer Tube Kit, Aero Precision .308 AR Rifle Buffer Spring, Aero Precision M5 .308 Carbine Buffer Tube Kit, Aero Precision AR 308 Carbine Buffer Spring, V Seven 2055 Aluminum AR10/A5 13-Position Buffer Tube, Kaw Valley Precision AR10 SS Tungsten Carbine Buffer, Spikes Tactical AR-10 Carbine Buffer Tube Kit, Spikes Tactical Rifle-Length AR-10 Buffer Spring, Primary Weapons Systems Enhanced Steel Body AR-10 Buffer, 2A Armament AR-10 Mil-Spec Buffer Tube Assembly, Strike Industries AR-10 Flat Wire Buffer Spring, JP Enterprises Silent Captured Spring AR-10 Buffer System (GEN 2), LUTH-AR Buffer Tube Assembly Kit (308 AR). One of the approximately .6-oz. If you have a commercial sized buffer tube, youll notice the moment you try to replace your buttstock that its slightly larger. Glad to see you got it running smoother; less mass in the buffer and bolt along with a more normal spring should make for a nice shooting rifle with the AGB. *Note: High power springs generally improve performance of carbine and shorter gas length systems due to those systems generally being 'over-gassed'. KAK LIGHTWEIGHT AR15 CARBINE BUFFER KIT1.7 OZ 2.2 OZ 2.6 OZ FOR TUNING SPECIALTY SUB SONIC LOADS. I went with a hydraulic buffer and tubbs flat wire spring on a recent 6 creedmoor build. I believe this is the configuration for my rifle and I believe they have set them up this way to by god work with any suppressor without any alterations other than adjusting the dictator gas block. Unlike the AR-15 buffer weights, we dont have a chart for you based on length of rifle for AR-10s because there is less of a barrel length difference in AR10 style rifles. Both are highly popular today. The TTI Ultimate Light Speed buffer spring works in both A1/A2 length stocks and Carbine M-4 collapsible stocks. for $259.00. Weighs 4.4 oz. AR-15 buffer weights come in a few different weights and lengths. Copyright (c) 2023 5D Tactical LLC. integrity for a lighter weight buffer tube and an appealing look. The carbon fiber can withstand 90 pounds of force applied from any direction, and can handle a load of 600 pounds applied along its length. options available, especially for the price. Add to Cart. - Great position for Generally speaking, dont get hung on the rifle length buffers. . Buffer tube assemblies are essential to the proper cycling of your AR-10 or LR-308. AR10 carbine buffer weights will range anywhere between 3.8 to 5.4 oz for any AR10 style rifle. Add to cart. Fixed my under gassed/short stroking carbine like a charm. JavaScript is disabled. Grab a Reptilia RECC-E Adjustable AR-15 Stock with included receiver extension and lightweight construction. If they made guns like the 6.46# AR10 6.5 CM I built with a .8oz buffer, that's not a mistake it's .8 oz, some moron would open up the AGB and damage something. Get the latest updates on new products and upcoming sales, The NEW Lightweight Enhanced AR-15 Buffer Tube Kit with a High-Powered Spring Option by Breek Arms, https://breekarms.com/products/lightweight-ar-10-lr308-carbine-buffer-tube-assembly-mil-spec-diameter-6-position-carbine-buffer-tube-end-plate-castle-nut-4-oz-buffer-spring, -3.1 oz Lightweight Mil Spec 6 Position Buffer Its almost like drawing a compound bow except that it stacks up seriously at full draw rather than the opposite. More to the point, POF has standardized that configuration in the piston driven rifles as well which may be even tougher to tame in suppressed fire. Not a mark on the brass with this combo. Some of the - Tightens up the point of impact of double taps and follow up shots. The Brigand Arms 308 AR Edge Carbon Fiber Weave Handguard enables the addition of accessories suited specifically to the users preferences without settling for anything else. AR 10 Buttstocks and Grips - Moriarti Armaments pays extreme attention to AR .308 builds. $31.99. Amp up your AK with these exciting accessories. The AR-10 was first designed in the 1950s by Eugene Stoner, the man behind the AR-15. The barrel lining is made from match-grade 416R stainless steel and is measured to a tolerance of +/- .0001. There is such a beast as a completely captured buffer and spring assembly that drops into your buffer tube all in one shot. My rifle was significantly under gassed. It may not display this or other websites correctly. PSA Gen3 PA10 18" Mid-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-lok Upper - With BCG & CH . Firearm Attachments. V Seven LR Enlightened. I think its ridiculous for non suppressed fire to have this kind of spring pressure. Choosing an AR10 Buffer Weight. Diameter Tube (1.14") will function on any standard mil-spec AR-15 Lower JP Enterprises Silent Captured Heavy Recoil Buffer Spring Assembly. Thats a lot of pennies to pinch, and some serious cash that could get you a great optic to top off the rifleor buy ammo.First, you have to start with a receiver, of course. If you have any questions, let us know through the comments below. So here is what went into my Xanthos: -2A Armament Xanthos Receiver Set. The Brigand Arms 2.5 Picatinny Rail Segments, sold separately, allow for maximum versatility in customization without losing the benefit of the lightweight design. Cost not a factor within reason. Lightweight Fluted Carbine Buffer Tube- We milled as much material out without sacrificing integrity for a lighter weight buffer tube and an appealing look.The buffer tube has 6 adjustable positions and is made from 6061 T6 impact extruded aluminum. Going back to the actual AR-10 (Armalite design), the interchangeability is not reliant on whether youre using an AR10 or AR308, its actually a buffer tube issue. About THIS SLEEK AND LIGHTWEIGHT BRACE IS PERFECT FOR ANY .. . The durability and finish quality are among the toughest out there. Phone: +1 (203) 513-9679 Adjustable gas blocks/keys are relatively inexpensive and easy to install. That sounds totally reasonable and thats what I intend to do. Of course the 123 grain Hornady Black doesn't carry Quite the smackem as the Creed but man is it fun to shoot. | Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. In fact, the Revolution features many 5.56mm parts, including the charging handle, bolt carrier, cam pin, buffer and more. Essentially, here are the main takeaways that you should know: Going forward well continue to use the term AR-10 (in your head you can replace this term with AR-308 specifically because thats what we sell) just think of AR-10 as an overarching, caliber specific designation and not a reference to the original Armalite rifle. But yes, AR-15 and AR308 buffer springs specifically are the same length which makes them directly interchangeable. Alliant Reloder 16 Smokeless Gun Powder . Check out our simple infographic below for further details While weight is often a good thing for target shooters it can make the AR-10 and 30 8AR less than desirable for some applications. Shop Other Accessories. Aero Precision M5 Lower. . weight combination for your personal build. standards. Shop Palmetto State Armory Today and Save! Any suggestions appreciated. The easiest way to know what effect your buffer weight has on the rifle is to look at the ejection pattern: As we just discussed, if the rifle is functioning perfectly with a standard buffer, you may not want to play around with different weights and possibly get poor results. Getting an AR10 buffer tube kit gives you exactly what it sounds like, the buffer tube, buffer and recoil spring, all at the proper length for your firearm. The dead blow hammer effect of the buffer is . Since you're using an AR-10 rifle, most gas blocks will be part of a rifle gas system. You can actually run your AR10 rifle without any AR10 buffer and just use the spring. differences between the AR-10 and LR 308 platforms. These are literally buffers with small weights that you can add or take away to tune your buffer to your rifle. Please take this into consideration when deciding what power spring to use in your system. Previous product. My GAP10G2 in 260 had a rifle length 20" barrel and SLR AGB. Add to Wishlist + KAK AR-15 H2 Heavy Buffer. . Stock and standard can be a little misleading though. Namely, the rifle length, ammunition load, buffer weight, buffer spring type, whether youre shooting suppressed, etc. Well, I guess your mileage may vary applies to the "need" to run a full weight carrier and a heavy buffer in a 6.5 CM. I have a few JP Silent Captured springs in AR15 builds that work really well so I'm looking to drop one of those into the AR10 eventually. Some won't. But one thing for sure is that a gas block will almost always be included in AR-10 build kits. The POF site (support section) shows the applications for P308 carbine buffers in 2 distinct groupings: pre 2012 and Post say mid 2012. AR15 / M4 / M16 / AR10. Yep it felt good to get it running on a normalized configuration. If you want to use this an an Armalite AR-10 be sure to use an AR-10 bolt not a DPMS. Despite their visual similarities, these parts are specially designed for each firearm and cannot be used interchangeably. . If you shoot factory ammo it'll probably live up to the hype, if you're handloading lightweight anything is going to show how finicky it can be. To each their own. Moving up in weight, an H1 buffer weight, or Heavy Buffer, is nearly a full ounce heavier at 3.8 ounces. The lower also features an oversized, integrated trigger guard while the flattop upper includes M4-style feedramps. The Kyntec Corporation AR-15 9mm Hydraulic Recoil Buffer is one of the more unique buffers for an AR9 out on the market. If you do try it, I recommend starting with the gas system completely shut off or maybe one click open. Upgrading your buffer to a premium product can also let you take advantage of these benefits: You'll find everything you'll ever need for your gun at Wing Tactical. Built with Volusion. Man, what's the recoil impulse like with all that mass moving around? Nitride-finished inside and out with a 1:10-inch twist, the magnetic-particle inspected barrel weighs 1.78 pounds, making it one of the lightest .308 Win. AR10 types. This also minimizes shoulder/neck damage that you see on BAT barrel extensions where the sharp corner gouges the neck/shoulder. strong, functions as it should, and gives your rifle that high-end appearance. find that if at any time the buffer tube kit fails, we will replace it at no Several LR-308 parts are universally interchangeable with the AR15. I shopped around quite a bit for the smaller odds and ends, and Aero Precision's components, especially for a one-stop-shopping experience, is hard to beat for both the price and the weight, let alone when looking for the best of both.Two of the most oft-forgotten components, the forward assist and dust cover from Strike Industries, weighed a total of .6 ounces, and cost $18.95 and $16.95 respectively.With all of these components, the total weight and cost comes in at drum roll, please 6.66 pounds and a total of $1338.85. Browse our selection today! AR Uppers & Lowers, Rifle Accessories, Mil-Spec Parts | Aero Precision Browning X-Bolt Stainless Stalker 7Mm-08 Remington 22 Inch Stainless Steel Barrel 4 Round $ 1,156.69. Only the first couple or few shots will work but the experience will not be pleasant. If the casings are flying out from the 12 to 3 oclock positions, likely your firearm is over gassed with too light of a buffer. Herodrh, I see what POF is up to, and it's actually pretty smart. Buffer for 5.56 Platforms) $19.95. While even the nicest AR-10 rifles have become more reasonable in price than they once were, theyll still cost you north of $2,000. rubber ends of buffers out on the market are more of a hard plastic, which is Our LR-308 and AR-10 buffer tube assemblies come from trusted producers like: When you order a new assembly for an AR-10 or an LR-308, you will receive many of the same components. 1913 Picatinny Rail Sections. Add to Wishlist + Armaspec Stealth Recoil Spring. The 2A Armament AR10/LR-308/SR-25 Titanium Takedown Pin Set features a through drilled design for maximum weight savings in an AR10/LR-308/SR-25 pin size. $151.82. | I also only use JP QPQ barrel extension which are already honed before being coated. This 18 barrel weighs in at 2.3 pounds which is over one pound less than a DPMS 308 SASS Fluted Barrel, 2 tenths of a pound less than the competing Proof Research Carbon Fiber 308 Barrel. finish a deep black rather than a dull gray. . - The spring is polished for smoother operation in the I love the way my 6.5 CM performs, unbelievable light recoil. 5.0. I had spoken to someone at POF and was told to run the gas block (dictator) wide open for normal ammunition. Using certified USA 6AL-4V Titanium, these pins weigh in at 0.25 oz total for both pins. We will follow up, Please answer the following questionnaire, TTI Benelli Ultimate Reduced-Power Buffer Spring, TTI Ultimate Plunger Spring for the Glock, +5/6 Base Pad For AR 15 .223 30/40 Round PMAG Magazines, Base Pad For Glock 9/40 Full Size Magazines. One of the biggest drawbacks of the AR-10 and 308 AR platforms is how much these rifles can weigh. The JPSCS is not compatible with any 9mm AR variant or any blowback system using a solid (weighted) carrier. If your firearm is a rifle, the buffer tube is longer and to prevent malfunction, it needs a longer buffer. Due to the increased . Carbine / Rifle Spring Reliability Kits. Aero Precision M5 .308 AR-10. A more compact version of the classic Hi Power design. This unique stock also works for AR-10 platforms, or with AR-15s using an A5 receiver extension by . All of They are using a lightweight (well light for standard AR10) buffer and a much heavier spring to keep the rifle weight down as much as possible, and from what it sounds they have it set up gas wise so you can still run a suppressor and not damage anything. They probably took off the shelf components and adapted them to limit experimentation and R&D costs and to their credit responded to criticisms of poor functioning. The rifle weighs only 7.3 pounds unloaded and at first glance looks like a standard AR-15. I was skeptical at first but, combined with my Surefire muzzle break it really makes the system a pleasure to shoot. needed to mount a buttstock of your choice to an AR-15 rifle or M4 One part, such as the buffer, that is even slightly out of tune with the rest of the rifle can take a drastic toll later on after multiple boxes are spent. - Tightens up the point of impact of double taps and follow up shots. The AR-10 buffer is the short one and it comes with one steel, one aluminum and one tungsten weights. Tried different buffer weights, reduced power springs from other companies, and finally this one, that actually worked. Youve likely seen what a buffer looks like, pretty similar to a large nail with a hard rubbery cap at the end, if that cap isnt long enough to travel through the tube during the cycle, you could eventually expect it to bind the recoil spring. Your just moving weight around. . Add to Wishlist + KAK Shockwave Pistol Receiver Extension / Buffer Tube $ 20.00. The nickel boron-coated flat trigger enhances responsiveness, while the premium bolt . *Photos may include features and/or upgrades not included in the base model and price. Price: $39.95. Look into, I use a hydraulic buffer on my AR10. The ODIN Works adjustable buffers are available in four different options - two for the AR-15 (lightweight and heavy), one for the AR-10 and one for the 9mm AR-based PCCs. | Point being since the AR10 is not standardized sometimes they take tinkering. Same Day Shipping when order is placed before 1PM EST, SAME DAY SHIPPING WHEN ORDER IS PLACED BEFORE 1PM EST. He recommended his a spring and buffer of his and it has been flawless ever since. Aero Precision was also my best bet to pick up items like the six-position buffer tube kit (10.2 ounces, $64.99), the enhanced lower parts kit featuring a Magpul MOE grip (8.3 ounces, $89.99), the mid-length gas system, consisting of a set-screw style, phosphate-finished gas block (1.6 ounces, 29.99) and a Melonite-treated gas tube (.7 ounces, $15.99), and the black anodized charging handle (1.1 ounces, $29.99). Item #: ZM4A2-12X28TI. $55.00 . If it is anything other than perfect, there are 3 types of buffers to keep in mind. The Ultralight Ranger series of rifles by Wilson Combat combines our lightweight billet receiver set, a Smoke Composites Carbon Fiber Stock, and our Ranger profile match-grade, tapered barrel to create a fast-handling precision AR carbine that is an ideal tactical, defense or hunting gun where light weight is a pre-requisite. An AR-10 and AR-15 can see the same buffer tube, recoil spring, and buffer. suppressed. The AR-10 was first designed in the 1950s . The buffer tube is precision machined with flutes that reduce the overall Gets rid of the *sproing* of the regular buffer tube springand makes your AR-15 feel and shoot SO much better. *Prices and specifications subject to change without notice. Whether they will make your rifle cycle consistently and perform reliably is a different story. [5KU] Aluminium Skeleton ST-6 M4 Folding Stock Tube W/ M1913 Mounting System[BLK] Description: Part No. I totally get your point about the setting on the AGB being essentially the same as standard appropriate gas port size. Item #: ZM48525-B-TI-K. Mine is 12.5", 37 coils and nowhere near coil bind at full stroke. Well Upon taking the buffer out I noted that its extremely light (they make use of the standard AR15 carbine buffer) probably the H0 weight (3 oz.) I can't wait to try the new spring and see what setting it likes to run on. Product Info for ODIN Works AR-10 Adjustable Buffer. There are a few companies that make them, but just for reference, something like theODIN Works AR-10 Adjustable Buffer allows you complete control of the buffer weight. By reducing the weight of your action . assembly at an extremely affordable price that contains all the components This keeps the With standard AR10 parts I can't really go that far wrong. Shotgun. RUNNER-UP: GUNTEC USA AR-10 Mil-Spec Buffer Tube Set,.308 Cal. When the buffer spring recoils, it pushes the buffer and . . While ultra lightweight, the F4 NightHawk shoots very smooth with minimal recoil due to the hydraulic buffer system and Small Frame AR10 geometry and lower bore axis. AR-10 .308 SILENT BUFFER ASSEMBLY SPRINGThe Trinity Force .308 SBA Recoil Spring is a drop-in buffer system designed to help the AR-10 platform function more smoothly and quieter. Aside from that there's an AR Gold trigger, Hogue G10 grip, Cobalt Kinetics buffer system and a V7 mag release. AR-10; AR-10 Upper Parts; Barrels & Completed Uppers; Upper Receiver Parts; BCG & Spare Parts; AR-10 Lower Parts; AR-10 LPK Parts; Magnum; Description:[T8] M4 Roller Bolt End [For Tokyo Marui MWS] [RS Buffer Tube Inner Dimension- 25.5mm] The T8 M4 Roller Bolt End is designed for the TM M4 MWS. Your opinion is valued and can direct us in what we write about. What people don't often talk about is the older and much bigger brother the AR-10. Cool thing is you can personally make the recoil impulse much less by taking mass that moves out of the system as long as you understand what you are doing. But when youre building your own rifle from the ground up that tends to get in the way of properly tuning your rifle. If you run a light weight bolt carrier then add weight to the buffer to your not reducing the weight of the moving parts. What you describe doesn't sound like a problem. Don't trust it? What people dont often talk about is the older and much bigger brother the AR-10. *Due to the current unprecedented demand for our firearms, some components may be substituted in order to complete your firearm in a more timely manner. Our CT Other AR-10 Lightweight 308 AR. I have NOT yet run it suppressed so I'm not sure what the result would be if I did. I have made no secret that I love Aero Precision's stuff. But if that $ amount is too pricey, staying just above 4 pounds can save you a . 4 models Guntec USA AR-15 Slip Over Barrel Shroud w/Multi Port Muzzle Brake (33) As Low As (Save Up to 13%) $49.89 Best Rated. If you fire 5.56 NATO, a tier 2 buffer weight is ideal. KAK Industries 5.3oz Shorty AR-10 / LR-308 Carbine Heavy Buffer. High Powered Stainless Steel Buffer Spring. steel weights is removed and replaced with a tungsten weight, which is about 1.45 oz. Remember, commercial means bigger/robust, but mil-spec is more common, and they are not interchangeable. You are using an out of date browser. Why are buffer weights important? (508) 834-4223 | Personally, Ive already thought up a few ways to make this specific rifle weigh more or less around six pounds (titanium, anyone? This rifle shot the large 7.62x51mm NATO, commonly known as the .308. Rating: 84% . Thanks. Christensen Arms seems to be one of the few 308 AR barrel manufacturers who seems to be able to consistently deliver a CARBON FIBER BARREL for the 308 AR platform. Subscribe to ODIN Works, Inc.'s YouTube Channel, AR15 buffers available in either lite or heavy, AR10 and 9mm buffers only available in heavy, Weights included for different weight combinations. The handguards are also available at Brownells if Brigand Arms is out of stock.In keeping with the lightweight yet budget-friendly aspect of the build, the Mission First Tactical Minimalist Stock with eight feet of woven paracord was a given choice, as it only weighs 6.3 ounces and costs $84.99. This tube is specially machined to accept the Gear Head Works Tailhook Mod1 . This buffer is not an AKTIVE type, it is an anti tilt w/ progressive rear bumper. Depending on your rifle length youll need the proper one. Most people dont care where their brass falls as long as the right part is going down range. Available to fit AR-10, Standard buffers typically weigh from 3 to 5 ounces, while our baseline Mil-spec BCM bolt carrier . Price: $29.95. No matter the application, for the field or for the match, this handguard will allow you to step up your game. Includes gas block and gas tube. An innovative way to carry your backup gun. V Seven Weapon Systems. I'm guessing its 20lbs or just a tad more just coming out of battery and it feels like 30 plus back fully withdrawn. You also dont want too heavy of a buffer either otherwise you risk slowing down that bolt way too much which would cause malfunctions or failures. The pre 2012 buffer shows 6 position mil spec carbine buffer (I'm guessing 7" depth) utilizing a spring that is between 10.25-10.5 inches with 29-30 coils and using an AR10 carbine buffer 2.5" length (your guess as to weight). Links to Other 308 AR | AR-10 | AR 308 Content, Manufacturers | 308 AR Compatibility | Charging Handles | Carbon Fiber Barrels| Barrels | AR Rifle Build Guides | AR Receiver Selection Guide | Trigger Selection Guide | Bolt Carriers | Armalite AR-10 Rifle Parts | AR-10 Rifle Barrel Selection Guide | 308 Scope Selection Guide | Tools | Scope Mounts |, 308 AR The post 2012 buffer utilizes a 7 position mil spec tube (I'm guessing 7 3/4" deep), an AR15 carbine buffer 3.25" length, unspecified weight. One of the biggest drawbacks of the AR-10 and 308 AR is how much these rifles can weigh. Barrel Weight: 2.3 lbs. VLTOR A5 Receiver Extension Kit with A5 Buffer and Spring for AR-15 $ 59.99. As many of you have likely found out the hard way, not all rifles are made exactly the same. Shortened to work with AR-10 platforms using standard buffer tubes. MSRP: $45.00 SALE PRICE . From 3 to 4:30 (about a 45-degree angle from the ejection port) youre good to go. KYNTEC Corporation AR-15 9mm Hydraulic Recoil Buffer: Overall best 9mm AR buffer. https://www.kyntec.com/product/rb50-buffer-.308-collapsible-stock-3.25-inches-7/, Talk to me about gassing and buffering LR-308, Confusing 6ARC AR15 Gas Issue After Switching to Rifle +1 Barrel, Geisselle Super 42 with A5 buffer system (pistol application). I have tested many different buffer setups for both full mass and LMOS carriers. The barrel extension, bolt assembly, upper and lower receiver are the exact same size as those on an AR-15. if it won't cycle milsurp with less than an 8 or 9 setting I think that will tell the tale. The F4 NightHawk is offered in the following calibers: 308 Winchester - 6.5 Creedmoor - 6mm Creedmoor - 6.547 Lapua - 22 Creedmoor - 243 Win - 260 Rem . You really wouldn't believe the tension on the buffer spring though. Basically every buffer used today is going to be some sort of carbine length buffer. Build a Lightweight AR-10 | Lightweight AR 308, BUILD a LIGHTWEIGHT AR-10, AR 308, 308 AR RIFLE, Brigand Arms 308 AR Edge Carbon Fiber Weave Handguard, Barrel Nut: Standard free float w/Jam Nut (included).