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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Out of stock
BCM MK2 BUFFER MOD1 T0
Bravo Company
MSRP: $50.33$37.00The MK2 buffer (3.8oz) is offered as a stand alone option to tune AR pattern rifles that are already equipped with the MK2 recoil mitigation system. Allows fine tuning for optimal reliability and ejection pattern on rifles that are over gassed whether...MSRP: $50.33$37.00 -
Out of stock
ADV TECH AR10 MIL TUBE ASSEMBLY BLK
ATI Outdoors
MSRP: $76.22$55.00Advanced Technology makes high quality firearm components for the AR PlatformMANUFACTURER: ATI OutdoorsMPN: A.5.10.2552MODEL: 0Description: AR10 Buffer Tube AssemblyFit: AR-10Type: Buffer Tube Complete AssemblyColor: BlackMSRP: $76.22$55.00 -
Out of stock
ARMASPEC SRS BUFFER KIT AR10 GEN 4
Armaspec
MSRP: $152.45$109.00The Armaspec enhanced buffer tube kit contains all the necessary parts required to mount a stock assembly on to a lower receiver. The buffer tube kit, contains a mil-spec 7075-T6 6 position buffer tube, a steel castle nut and end plate as well as a SRS...MSRP: $152.45$109.00 -
Out of stock
ARMASPEC STEALTH RECOIL SPRING 9 G4
Armaspec
MSRP: $107.09$77.00The Stealth Recoil Spring SRS GEN4 is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The SRS is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet...MSRP: $107.09$77.00 -
Out of stock
ARMASPEC SMB BUFFER KIT AR9 GEN 3
Armaspec
MSRP: $120.95$87.00The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.MANUFACTURER: ArmaspecMPN:...MSRP: $120.95$87.00 -
Out of stock
ARMASPEC SMB BUFFER KIT H3 GEN 3
Armaspec
MSRP: $120.95$87.00The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.MANUFACTURER: ArmaspecMPN:...MSRP: $120.95$87.00 -
Out of stock
ARMASPEC SMB BUFFER KIT H GEN 3
Armaspec
MSRP: $120.95$87.00The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.MANUFACTURER: ArmaspecMPN:...MSRP: $120.95$87.00 -
Out of stock
ARMASPEC SMB BUFFER KIT C GEN 3
Armaspec
MSRP: $120.95$87.00The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.MANUFACTURER: ArmaspecMPN:...MSRP: $120.95$87.00 -
Out of stock
ARMASPEC A5 SPACER FOR SRS/SMB
Armaspec
MSRP: $10.38$7.00A5 Spacer for the Stealth Recoil Spring or Sound Mitigation Buffer for A5 style stocks.MANUFACTURER: ArmaspecMPN: ARM154-RFLA5MODEL: A5 SpacerFit: AR-15Type: BufferColor: BlackMSRP: $10.38$7.00 -
Out of stock
ARMASPEC SOUND MIT BUFFER H3 GEN 3
Armaspec
MSRP: $75.59$54.00The Gen3 Sound Mitigation Buffer SMB is a single-stage captured drop-in replacement for your standard buffer and spring. The SMB is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet...MSRP: $75.59$54.00 -
Out of stock
ARMASPEC SOUND MIT BUFFER H GEN 3
Armaspec
MSRP: $75.59$54.00The Gen3 Sound Mitigation Buffer SMB is a single-stage captured drop-in replacement for your standard buffer and spring. The SMB is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet...MSRP: $75.59$54.00 -
Out of stock
ARMASPEC SOUND MIT BUFFER CRBNE GEN 3
Armaspec
MSRP: $75.59$54.00The Gen3 Sound Mitigation Buffer SMB is a single-stage captured drop-in replacement for your standard buffer and spring. The SMB is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet...MSRP: $75.59$54.00