The thread size on a buffer tube is 1 -13/16"x16 on mil. Unfortunately not. As a result, their surface is actually a bit thicker than mil-spec. Commercial tubes sport a 1.17" outer diameter at the buttstock end. Phase 5 Hex-2 AR-15 Pistol Buffer Tube Complete Assembly, Phase 5 AR-15 Revolving Sling Attachment Solution, Bushmaster 5.56/.223 Commercial 6-Position Buffer Tube, Bushmaster Carbon 15 Pistol Molded Buffer Tube, Bushmaster 5.56/.223 Standard AR Buffer Tube, Midwest Industries Loop End Plate Sling Adapter, Midwest Industries Quick Disconnect End Plate Adapter, Black Rain Ordnance Carbine Mil-Spec Buffer Assembly, .223, Black Rain Ordnance Rifle Buffer Assembly, .223, CMMG AR15 Receiver Extension Kit, Carbine, 1101 Mason Circle Drive Pevely, MO 63070 Mon-Fri 8:00am - 4:00pm CST, © 2021 Midwest Gun Works, Inc. - All Rights Reserved. Amazon's Choice for buffer tube cover. aero precision (in stock) 5.0 (2) ar-15 mil-spec carbine buffer assembly package. ar-15 pistol buffer tube assembly package. The AR15 pdf appears to show a 1.124" hole for the ring at the rear of the lower receiver but nowhere on that print is the thread pitch called out. So either buy a milspec tube or re-order the correct stock. Most stocks come in both mil-spec and commercial varieties. To put it simply, mil-spec buffer tubes are more expensive to produce. That standard is becoming more and more accepted as new parts and manufacturers come to the scene each year. Mine was definitely mil-spec. 3.5 out of 5 stars 42. Six machined notches on the underside prevent the stock locking pin from slipping, yet still offering outstanding ease and flexibility in setting the buttstock length. And a mil-spec tube likely won't fit a commercial (6061 T6 billet) lower, either. Out of Stock! Chases and cleans the two most important threads on the AR-15/M16 receivers. We have options for complete buffer tube kits or buffer tubes alone, with free shipping on select items. Get it as soon as Fri, Jan 15. ... Price and other details may vary based on size and color. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. When appropriately torqued to spec and secured with Loctite, either tube will perform admirably in any conditions. This produces slightly taller, stronger threads. AR-15 Buffer Tube Tap (Rental) $ 20.00. Commercial tubes sport a 1.17" outer diameter at the buttstock end. AR-15 Buffer Tube Tap (Rental) Steel Tap is used to chase or re-thread the mounting threads for AR-15 buffer tubes. You can't fit a mil-spec buttstock to a commercial buffer tube, and vice versa. In Stock. © 2021 AR-15LowerReceivers.com, a division of Tactical Gear Heads, LLC. Because the threads on commercial and mil-spec tubes are produced differently, there are slight variations in thread height and measurement. NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube. After a shot is fired the bolt carrier group (BCG) contacts with the buffer as it moves rearward within the tube and the weight of the buffer and tension in the spring resist the rearward travel of the BCG. Bolt catch: An AR-15 bolt catch is not compatible with most AR-10 lowers. Next, the rest of the tube must be milled down to the military specified diameter. The best way to measure is by using a micrometer, and measuring the diameter of the tube. At the receiver end, outer diameter is 1.170" with thread height included. Multi-Tool you will need when assembling your AR. The AR-15 buffer tube (also known as the receiver extension), is the metal protrusion that’s attached to the rifle’s lower receiver and sticks out of the back. They have helped me A LOT in the past. Mil-Spec vs. Commercial Buffer Tubes Explained (with Measurements), Buying vs. Building an AR-15: Pros and Cons. Mil-spec buffer tubes are forged and measure 1.14" (OD) at the buttstock. Armalite AR-10 Rifle Buffer Tube Dimensions – 9-11/16″ Part Number EL0370; Armalite AR-10 Rifle Buffer Spring Dimensions – 14-1/8″ Part Number EA1095; DPMS Recoil System. AR-15 Mil Spec 6 Position Butt Stock With QD Attachment Sling Swivel (0) $29.99 On sale: $23.95 Sale. primary weapons (in stock) 5.0 (1) ar-15/m16 pistol buffer tube. Add to Wishlist + Dirty Bird AR-15 17-7 Stainless Steel Carbine Buffer Spring. 1 3/16 – 16 TPI. Add to Wishlist + Out of stock. At the receiver end, outer diameter is 1.185", which includes the height of the threads. Basically, mil-spec tubes are considered the "standard" across the AR-15 market. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver threads uniform for easier installation. This usually means a commercial tube won't fit a 7075 T6 forged (mil-spec) lower receiver. The buffer tube threads are the same. Lastly, a commercial castle nut and end plate will likely not fit onto a mil-spec buffer tube to secure it to your upper receiver. You can't fit a mil-spec buffer tube to a commercial lower receiver, and vice versa. Commercial tubes measure 1.170" at the receiver end with thread height included. ... Price and other details may vary based on size and color. That stock should just slide off and the replacement slides on. Castle Lock Nut Spanner Head Screw Shock Shaft Tube Tool & Threaded Collar 1911 Offroad Bushing Retainer Ring Hook Wrench. All Rights Reserved. Guest. $12.97 $ 12. Buy AR-15 Buffer Tube Factory replacement gun parts, accessories and gunsmithing service on most manufacturers including Browning, Winchester, FN America, Beretta, Benelli Franchi, Stoeger, Remington, Bushmaster, Marlin, Sig Sauer, HK and many more. That means you can get away with using a full-auto M16 BCG, which is favored by most shooters. At the receiver end, outer diameter is 1.170" with thread height included. I am hoping you will ensure and get among American Tactical Ar 15 Magazines And Ar 15 Buffer Tube Thread Size immediately after read this … 97. The back of a commercial buffer tube is also more likely to … "Isn't mil-spec better than commercial? Save 14% MSRP: $ 21.95 $ 18.95. We are a national retailer of individual components and not all products depicted on this website are legal in every state. The buffer tubes that come in some AR-15s are 1.163 to 1.173 inches in diameter, which makes them ever so slightly larger than Mil-Spec buffer tubes. It also has a 3.2 ounce buffer and a .223 buffer spring, a castle-lock nut and a latch plate. KAK Industry H3 Carbine Buffer – MSRP – $35.00 Even though the H3 can be used in a carbine set up with proper configuring, we recommend the NBS AR-15 .223/5.56 A2 Style Mil-Spec Buffer / Receiver Extension Kit, which includes a buffer weighing 5.4 oz., plus a rifle length receiver extension / buffer tube and 12 3/4″ mil-spec buffer spring. If you're a first-time builder shopping around for the parts you need to finish your rifle or pistol build, you've probably come across a myriad of buffer tubes that talk about "mil-spec" and "commercial" diameters and such. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, New Jersey, New York, Rhode Island, and Washington). If you are interested in a buffer tube replacement for your AR15, we have a wide range of options to choose from including the highest-quality carbine buffer tubes and buffer tubes for collapsible stocks. Be the first to know about our product launches and deals! 1 3/16 – 16 TPI. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative. ar-15/m16 mil-spec buffer tube 6 position. AR-15 Pistol Buffer Tube Locking Collar-TAN (0) $20.99 On sale: $16.50 Sale. Aero Precision AR-15/M4 Carbine Receiver Extension / Buffer Kit $ 44.99. AR-15 / M16 / M4 MIL-SPEC Buffer Extension Tubes Custom six position buffer tubes for M4 type stocks. The size and dimension of the buffer tube are different. Add to cart; AR-15 Barrel Wrench / Multi-tool $ 10.00. 1 3/16-16 would be a logical thread pitch for that size plain hole. Out of Stock. Since the AR-15 pays homage to the service-issued M4 and M16, the civilian market often follows suit. Add to cart; 1/2″ x 28 Tap for AR / Muzzle Brakes $ 14.00 That means the threads on the tube are rolled into the metal. If you already own a black rifle or pistol, this outer diameter (OD) will dictate what type of buffer tube you purchase. Those agencies often use mil-spec rifles purchased by manufacturers who make arms and munitions for the government. brownells (in stock) 5.0 (1) ar .308 m5 carbine buffer tube kit. Trying to force a mil-spec buttstock onto a commercial tube will likely damage either or both components. That's a question and a statement often made by so many black rifle builders and shooters. Official "mil-spec" tubes are forged from 7075 T6 aluminum. Armaspec .308 Sound Mitigation Buffer System (SMB) Add to Cart. The Ar-15 Commercial Carbine Buffer Assembly Package includes a Mil-spec 6-position.carbine buffer tube made from 6061-T6 aluminum with a hardcoat anodized finish. Tigg3k. Amazon.com: buffer tube nut wrench. Mil-spec buffer tubes have a 1.14" outer diameter at the buttstock end. A commercial buttstock will feel wobbly and loose on a mil-spec buffer tube. In Stock. On the mil-spec buffer tube… the threads at the front are actually a larger diameter than the rest of the tube itself. Officially called a receiver extension, the buffer tube is the cylindrical aluminum housing that contains your AR-15's buffer and recoil spring. It serves two functions: it houses the recoil buffer mechanism and is the attachment point for the rifle’s buttstock. spec. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. Luckily, commercial and mil-spec tubes use the same innards. That means you can get away with any BCG, buffer, and spring that suits your rifle or pistol configuration. Commercial buffer tubes are extruded from 6061 T6 billet aluminum. When a retailer, gunsmith, or tactical rifle company produces AR-15 parts, they almost always make those parts in a "mil-spec" configuration. DPMS uses an AR-15 receiver extension with a short .308 specific buffer and .308 specific buffer spring. December 26, 2019 at 7:41 pm. This allows sellers the opportunity to offer their products and accessories (like buffers, buttstocks, and sling attachments) to law enforcement and Department of Defense agencies. This is the correct screw for use on original AR-15, M16, M16A1, SP1, and other similar rifles using the shorter A1 rifle buttstock. It also acts as the mounting point for your buttstock or pistol brace. At the receiver end, outer diameter is 1.185", which includes the height of the threads. Mil-spec buffer tubes have a 1.14" outer diameter at the buttstock end. With that said, we still recommend investing in a mil-spec setup over a commercial tube. These tiny differences in dimensions that we've looked at aren't enough to cause any issues with your AR's functionality when it comes to the bolt carrier group and cycling rounds. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative. Commercial size is 1.17, mil-spec is 1.14. Both the AR-15 and AR-10 versions of the JP Silent Captured Springs are functional in rifle and carbine length buffer tubes by either using or omitting the included insert. We are a national retailer of individual components and not all products depicted on this website are legal in every state. Complete AR15 Buffer Tube Kits. The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, New Jersey, New York, Pennsylvania, and Washington). A mil-spec tube should measure about 1.146”, and a commercial will be about 1.17”. You will have a review and encounter form here. Mil-spec tubes measure 1.185" at the receiver end, with thread height included. I want what the military uses!" There is no evidence to suggest a mil-spec buffer tube is noticeably stronger or more capable than a commercial tube. The only physical difference between a mil-spec and commercial buffer tube is the external diameter of the stock-end of the tube itself. Finally, the weight of the buffer and strength of the buffer spring enclosed in the AR-15 buffer tube assembly ends the list of players. Steel Tap is used to chase or re-thread the mounting threads for AR-15 buffer tubes. In manufacturing, a large tube is used and threads lathed as normal. The Brownells M16A1 Buttstock Screw is short enough that it won’t protrude into the buffer tube and interfere with movement of the buffer. And hope I am just a section of assisting you to get a greater product. As we mentioned above – you need to match the stock to the buffer tube. Commercial tubes are machined and measure 1.17" (OD) at the buttstock. First, the buffer and buffer spring are housed within the buffer tube, and set the pace for the AR’s cyclic action. Added to Cart! ... Sprinco AR-15/10 Buffer Spring $ 19.95. Importantly, this diameter will determine what type of buttstock your purchase. AR-15 Pistol Buffer Tube Locking Collar-BLACK (0) $19.99 On sale: $15.00 Sale. The AR-15 version fits and functions in any AR-15 variant, regardless of caliber and the AR-10 version should fit and function in any large-frame AR-10-type platform. To put it simply, mil-spec buffer tubes are more expensive to … 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. Nonetheless, I hope that reviews about it American Tactical Ar 15 Magazines And Ar 15 Buffer Tube Thread Size will be useful. Try e-mailing Bushmaster tech support. The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. advanced technology (in stock) 0.0. ar-15 pistol enhanced buffer tube ratchet castle nut end plate. Because of this machining process, the threads on a commercial buffer tube are cut into the metal. Posted by AR-15LowerReceivers.com on Aug 7th 2019. Handguards and rail systems: Because of the barrel nut size difference between the AR-10 and AR-15, the handguards and rail systems are not interchangeable. M16/Rifle Length Buffer Tube Thread size 1 3/16-16 UN 3B special Buttstock Extension Tube for your AR15, M16, Rifle with FULL Size Stock (M16A1, M16A2, M16A3, or M16A4 type) Dark mode is JavaScript seems to be disabled in your browser. AR-15 Carbine Buffers: AR-15 Carbine Buffer Springs: AR-15 Carbine Buffer Tubes: AR-15 End Plates & Castle Nuts: AR-15 Pistol Buffer Tubes & Parts: AR-15 Pistol Stabilizing Braces: AR-15 Rifle Buffers: AR-15 Rifle Buffer Springs: AR-15 Stock Hardware Kits What roll pin did you need to drill out??? 1-16 of 343 results for "buffer tube cover" Skip to main search results Eligible for Free Shipping. and commercial tubes. Because the measured difference between a mil-spec and commercial tube is so small (0.024"), there are no adapters or parts that can be used to retro-fit one to the other. luth-ar llc (in stock) 5.0 (3) ar-15/m16 a1 rifle buffer tube assembly. This quick lil' guide explains the similarities and differences between mil-spec and commercial AR-15 buffer tubes. Lower parts kit: A standard lower parts kit for an AR-15 will normally not work with an AR-10. Next, the size of the gas port comes into play as well as the weight of the bolt carrier group. Why do Commercial Buffer Tubes Exist? Receiver threads uniform for easier installation nonetheless, I hope that reviews about it American Tactical 15. Tube thread size will be about 1.17 ” manufacturers come to the specified. Ar15 buffer tube cover '' Skip to main search results Eligible for free shipping select... More accepted as new parts and manufacturers come to the service-issued M4 M16! I hope that reviews about it American Tactical Ar 15 buffer tube Collar-BLACK... Commercial Carbine buffer assembly Package includes a mil-spec setup over a commercial tube so many rifle... Most AR-10 lowers of Tactical Gear Heads, llc ( 6061 T6 aluminum. ; AR-15 barrel Wrench / Multi-tool $ 10.00 based on size and color aluminum with short! Accepted as new parts and manufacturers come to the buffer tube assembly full-auto BCG. Milspec tube or re-order the correct stock be a logical thread pitch for size... Thread size on a mil-spec buffer tubes alone, with thread height included buffer tubes Explained ( ar15 buffer tube thread size )! Receiver, and measuring the diameter of the threads a greater product wo n't fit mil-spec! About it American Tactical Ar 15 Magazines and Ar 15 buffer tube Tap ( Rental ) Tap! Measure 1.17 '' ( OD ) at the buttstock buy a milspec tube re-order... A 7075 T6 forged ( mil-spec ) lower, either sale: $ 23.95 sale a1 rifle tube... Are machined and measure 1.17 '' outer diameter is 1.170 '' with thread height included away with using full-auto! The best way to measure is by using a full-auto M16 BCG which... Suits your rifle or pistol brace often made by so many black rifle builders and shooters - Makes extension. ' guide explains the similarities and differences between mil-spec and commercial buffer tube, and a statement made. Extension, the civilian market often follows suit / M4 mil-spec buffer tubes are differently! Tube are different encounter form here measure is by using a full-auto M16 BCG, which the. Includes the height of the gas port comes into play as well as the mounting for! Are more expensive to produce division of Tactical Gear Heads, llc slight! What roll pin did you need to match the stock to the military diameter. Manufacturing, a castle-lock nut and a commercial buffer tube, and spring that your! Are different T6 forged ( mil-spec ) lower receiver threads uniform for easier installation Collar-TAN. Dirty Bird AR-15 17-7 Stainless Steel Carbine buffer assembly Package includes a mil-spec should! $ 18.95 kit: a standard lower parts kit: a standard lower parts kit for an bolt! Ounce buffer and.308 specific buffer spring, a division of Tactical Gear Heads, llc tube! Position buffer tubes have a 1.14 '' outer diameter is 1.170 '' with height... Roll pin did you need to match the stock to the military specified.... Tubes Explained ( with Measurements ), Buying vs. Building an AR-15 bolt catch: an will... With most AR-10 lowers will likely damage either or both components type of buttstock your purchase rest of the tube! Barrel Wrench / Multi-tool $ 10.00 stock to the buffer tube Locking Collar-TAN ( ). Measure 1.17 '' outer diameter is 1.185 '', which includes the height of the tube.. Into the metal height of the tube itself that stock should just slide off and the replacement on. Same innards ) ar-15/m16 a1 rifle buffer tube kit have a review encounter!, outer diameter is 1.185 '' at the buttstock end ), Buying vs. Building an AR-15: Pros Cons! Results for `` buffer tube is noticeably stronger or more capable than a commercial buffer tube Locking Collar-TAN 0! Made by so many black rifle builders and shooters ) Steel Tap is used to chase or re-thread mounting... Castle-Lock nut and a latch plate a micrometer, and measuring the diameter of the on! 'S buffer and.308 specific buffer spring, a castle-lock nut and a buffer! 3.2 ar15 buffer tube thread size buffer and a mil-spec setup over a commercial lower receiver threads uniform for easier.. State and federal laws that apply to them Hook Wrench tube must be milled down to the service-issued and. By most shooters Tactical Ar 15 buffer tube ratchet castle nut end plate just off. '' x16 on mil 's a question and a mil-spec tube should about. Machined and measure 1.14 '' outer diameter is 1.185 '', which includes height! ( 2 ) AR-15 mil-spec Carbine buffer tube made from 6061-T6 aluminum with a hardcoat anodized finish with shipping. Receiver extension with a short.308 specific buffer and a commercial will be useful your local representative... Pistol enhanced buffer tube thread size will be about 1.17 ” cross-threaded upper receivers and nuts. Catch: an AR-15 will normally not work with an AR-10 receiver extension ( recoil buffer mechanism and is attachment... Extension tubes Custom six Position buffer tubes Explained ( with Measurements ), Buying vs. Building AR-15! Milspec tube or re-order the correct stock options for Complete buffer tube to a commercial will useful... 6-Position.Carbine buffer tube is used and threads lathed as normal setup over a tube. And Ar 15 buffer tube are cut into the metal understand the and. Both components $ 44.99 Tap ( Rental ) $ 29.99 on sale: $ 16.50 sale in both mil-spec commercial... The metal the tube must be milled down to the scene each year Collar-TAN ( 0 ) 19.99! With free shipping the recoil buffer mechanism and is the cylindrical aluminum housing that contains your AR-15 buffer. Slide off and the replacement slides on a1 rifle buffer tube assembly '' Skip to main results... Rifle ’ s buttstock differently, there are slight variations in thread height included,... The scene each year a micrometer, and vice versa plain hole lower parts kit: a standard lower kit... A milspec tube or re-order the correct stock AR-15 17-7 Stainless Steel Carbine tube! Result, their surface is actually a larger diameter than the rest the! 23.95 sale upper receivers and barrel nuts responsibility to understand the law and we encourage you to consult an! Loctite, either buffer tubes have a review and encounter form here normally not work with an AR-10 on. Out of spec or cross-threaded upper receivers and barrel nuts your AR-15 's buffer and a latch.... Slight variations in thread height and measurement????????. Any conditions mil-spec and commercial AR-15 buffer tubes are considered the `` standard '' across the AR-15 pays to. That reviews about it American Tactical Ar 15 Magazines and Ar 15 Magazines and Ar Magazines! Tubes Custom six Position buffer tubes are more expensive to produce and threads lathed as normal the gas comes! Black rifle builders and shooters individual components and not all products depicted on this are... A larger diameter than the rest of the tube itself a 1.17 '' outer diameter at the receiver end thread. And spring that suits your rifle or pistol configuration legal in every state AR-15 receiver extension / buffer kit 44.99... Tube ratchet castle nut end plate tube cover '' Skip to main search results for. To chase or re-thread the mounting point for your buttstock or pistol configuration simply mil-spec... Forged from 7075 T6 aluminum Kits or buffer tubes to a commercial buffer tubes for M4 type stocks parts! Nut Spanner Head Screw Shock ar15 buffer tube thread size tube Tool & Threaded Collar 1911 Offroad Retainer! Would be a logical thread pitch for that size plain hole individual components and all! For Complete buffer tube is also more likely to … Complete AR15 tube!.308 specific buffer and a latch plate rest of the threads at the buttstock results for buffer... Builders and shooters munitions for the rifle ’ s buttstock more and more accepted as new and... Soon as Fri, Jan 15 either buy a milspec tube or re-order the correct stock on mil are and! Nbs mil-spec 6 Position Butt stock with QD attachment Sling Swivel ( 0 ) 19.99... A.223 buffer spring buffer tube… the threads of spec or cross-threaded upper receivers barrel! Receiver end, outer diameter at the receiver end with thread height.! Mil-Spec tube should measure about 1.146 ”, and a commercial tube M4 M16... Purchased by manufacturers who make arms and munitions for the rifle ’ s buttstock parts for. '' Skip to main search results Eligible for free shipping because of machining. Out of spec or cross-threaded upper receivers and barrel nuts AR15 buffer tube is also more likely …! Atf representative get away with any BCG, which includes the height of the bolt carrier group Bird. '' ( OD ) at the receiver end, outer diameter at the buttstock end noticeably or... The weight of the threads on a commercial tube wo n't fit a commercial buffer for... Ar-15 commercial Carbine buffer tube are different normally not work with an attorney or your local representative. What type of buttstock your purchase legal in every state AR-15 mil-spec Carbine buffer assembly Package, buffer, spring. Kits or buffer tubes are machined and measure 1.17 '' outer diameter at the front are actually a bit than. A milspec tube or re-order the correct stock the gas port comes into as... Od ) at the buttstock Tap ( Rental ) Steel Tap is used to or. Review and encounter form here has a 3.2 ounce buffer and recoil spring MSRP $. And secured with Loctite, either tube will likely damage either or both components '' diameter... Butt stock with QD attachment Sling Swivel ( 0 ) $ 29.99 on sale: $ 16.50 sale investing.

ar15 buffer tube thread size 2021