Buffer System
Gas & Brass Armory stocks high-quality AR-15 buffer systems to ensure proper function and recoil management in your rifle build. Located in Brandon, FL, we offer complete buffer kits, individual buffer tubes, springs, and weights from trusted brands like Aero Precision, BCM, Geissele, and more. Whether you're building a carbine, mid-length, or pistol setup, our selection includes mil-spec and commercial options for a reliable and smooth shooting experience.
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STRIKE ADVANCED RECEIVER TUBE BLK
Strike Industries
MSRP: $69.93$49.95The Strike Industries Advanced Receiver extension brings an updated aesthetic and increased functionality to an often neglected, yet highly important component of the AR15/AR10 weapon system. The scalloped surfaces decrease friction with tight fitting...MSRP: $69.93$49.95 -
STRIKE CARBINE FLAT WIRE SPRING
Strike Industries
MSRP: $32.92$19.95The SI Carbine Flat Wire Spring is an affordable and simple upgrade for any AR system with a carbine buffer. The Flat Wire spring extends the service life of the platform, smooths the shooting cycle, and significantly outlasts the stock spring. Increased...MSRP: $32.92$19.95 -
SPIKE S ST-9X 9MM HEAVY BUFFER
Spike's Tactical
MSRP: $62.94$44.96Spike's Tactical stainless steel heavy buffer for use in a carbine stock. The ST-9X is a dedicated 9mm buffer due to its extended length. Its extended length helps eliminate the problem of breaking bolt catches. The buffer will smooth the gun out, make...MSRP: $62.94$44.96 -
SPIKE S ST-T3 HEAVY BUFFER
Spike's Tactical
MSRP: $56.64$40.46Looking for a heavy buffer to replace your standard carbine buffer? Well, Spike's came up with something that offers the HIGHEST performance at a reasonable price. The ST-T3 buffer is one of the softest shooting, smoothest, and quietest buffers on the...MSRP: $56.64$40.46 -
SPIKE S ST-T2 TUNGSTEN HEAVY BUFFER
Spike's Tactical
MSRP: $47.82$34.16Looking for a heavy buffer to replace your standard carbine buffer? Well, Spike's came up with something that offers the HIGHEST performance at a reasonable price. The ST-T2 buffer is one of the softest shooting, smoothest, and quietest buffers on the...MSRP: $47.82$34.16 -
SPIKE S ST-T1 TUNGSTEN HEAVY BUFFER
Spike's Tactical
MSRP: $41.52$29.66Looking for a heavy buffer to replace your standard carbine buffer? Well, Spike's came up with something that offers the HIGHEST performance at a reasonable price. The ST-T1 buffer is one of the softest shooting, smoothest, and quietest buffers on the...MSRP: $41.52$29.66 -
SPIKE S BUFFER SPRING
Spike's Tactical
MSRP: $14.78$8.96This is the same high quality carbine buffer spring that's found in Spike's Tactical complete rifles and lowers. It's a Mil-Spec 17-7 stainless steel buffer spring that features an electro polish finish to give it a smoother quality look and feel. If you...MSRP: $14.78$8.96 -
SPIKE S BUFFER TUBE 6POS BLK
Spike's Tactical
MSRP: $47.88$34.20This is a Mil-Spec six position buffer tube from Spike's Tactical. It is 7.25" in length and features laser engraved marked positions.MANUFACTURER: Spike's TacticalMPN: SLA500RMODEL: Mil-SpecDescription: 6 PositionType: Buffer TubeColor: BlackMSRP: $47.88$34.20 -
SOLGW LOYAL 9 A5 RECEIVER EXT BLK
Sons of Liberty Gun Works
MSRP: $73.15$52.25Whether your upgrade your existing AR-15 or starting a new firearm, the Loyal 9 A5 receiver extension will fit the bill and then some! With a 9 position design, the Loyal 9 A5 receiver extension will provide the user with the correct fit for them...MSRP: $73.15$52.25 -
Out of stock
PWS ENHANCD STL BUFFR CARB H2 4.5OZ
Primary Weapons Systems
MSRP: $55.93$39.95MOD 2 4140 Steel Body Buffers have a unique fluted design with minimum contact points, allowing debris to clear easily, while the FNC LIFE HD treatment chemically bonds in lubrication for smoother cycling. Weight: 4.5 oz. The H2 buffer is a standard...MSRP: $55.93$39.95 -
PHASE5 AR15 PISTOL BUFFER TUBE ASSY
Phase 5 Weapon Systems
MSRP: $83.93$59.95AR-15 Pistol Buffer Tube Complete Assembly (PBT-CA) by Phase 5 Weapon Systems Inc. partners their enhanced buffer spring, billet aluminum Pistol buffer tube, Mil-Spec end plate, Mil-Spec castle nut, Mil-spec carbine buffer and their ultra-durable...MSRP: $83.93$59.95 -
POF BUFFER TUBE ENHNCD ANTI-TILT 223
Patriot Ordnance Factory
MSRP: $65.80$47.00The POF Mil-Spec 7075-T6 aircraft aluminum Anti-Tilt Buffer Tube uses carrier cradle extensions to ensure that the bolt carrier is always supported by the buffer tube, even when the bolt is forward. This prevents carrier-tilt and premature wear on the...MSRP: $65.80$47.00