Buffer System

NOTE: October 2021 production of RE5Fs have SOLGW engraving below the Cygnus laser engraving.  SOLGW and FCD collaborated on the RE5F (FCD designation) / Loyal 9 (SOLGW designation).  Until the next batch, all colors of RE5Fs have SOLGW...

NOTE: REF is a standard carbine receiver extension, it is not compatible with the Vltor A5.   REF (Receiver Extension, carbine, FCD) is a 6 position, AR15/M4 standard carbine receiver extension (NOT A5 compatible).  Made from extruded...

Start your AR15 pistol build off right with the Tailhook Mod1 AR15 kit. Everything you need to mount the extremely versatile Tailhook Mod1 to you new build. Included in the kit Black Tailhook Mod1 Tailhook specific pistol tube Standard carbine...

LMT® .308 receiver extension tubeLMT offers its 308 receiver extension, or buffer tube, for sale to customers for their builds. This tube is approx. 3/4″ longer than a standard AR-15 style buffer tube. This allows for usage of standard length...

Luth-AR's A2 Rifle Buffer Tube is constructed out of 6061-T6 Aluminum and features a hardcoat anodized black finish. It works with both 223/5.56 AR-15 platforms and 308/7.62 AR-10 platforms and is compatible with an A2 fixed buttstock. Luth-AR, .223/...

Phase 5 Hex-2 Pistol Buffer Tube The Phase 5 Hex-2™ is our newest AR type Buffer Tube. This tube has been specifically designed to utilize the Sig Sauer™ SB15 Pistol Stabilizing Brace. The Hex-2™ is a heavy duty USA certified 7075 T7...

We believe the Intermediate Buffer System is the best buffer system on the market and our kit makes it even better with the inclusion of an SOLGW/BCM T2 Buffer, Loyal 9 Position Intermediate Buffer Tube, Sprinco Green Spring, FCD CN5F castle nut...

SureFire OBC Replacement Main Drive Spring This Main Drive Spring is a replacement or spare for the one that comes with the Surefire SF-OBC-556 Optimized Bolt Carrier Group for M4/M16/AR-Variant Rifles & Carbines. *Buffer pictured is not included.

The TRIARC Systems TRACK 2.0 Rifle Barrel Kit features a 12.5" TRACK 2.0 Barrel that is optimized for the TRIARC Systems A5/Extended Receiver Extension, VLTOR A5 H1 Buffer and Sprinco Green Buffer Spring. Also included is a Mil-Spec End Plate and Castle...

The TRIARC Systems TRACK 2.0 Rifle Barrel Kit features a 13.9" TRACK 2.0 Barrel that is optimized for the TRIARC Systems Mil-spec buffer tube, H1 Buffer and Sprinco Blue Buffer Spring. Also included is a Mil-Spec End Plate and Castle Nut. Together, these...

  Vltor Carbine Spring and Buffer Kit Kit Contains: Carbine Action SpringStandard Carbine BufferReceiver EndplateReceiver Endplate Locknut Please Note: This kit comes with a standard carbine buffer, it is not a "heavy buffer"

This aluminum buffer tube assembly includes an AR10 billet buffer tube, lightweight end plate and a castle nut manufactured to same high 2A Armament standards and finish. The buffer tube features an 8 position adjustment that has machined indicators...