AR15 Parts
Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.
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SPIKE S STRIPPED LOWER (NO LOGO II)
Spike's Tactical
MSRP: $149.94$108.00Spike's lowers are made to the highest standards. If you are planning a build or just putting lowers away for a rainy day, you can't go wrong with Spike's lower receivers.MANUFACTURER: Spike's TacticalMPN: STLS045MODEL: No Logo IIAction:...MSRP: $149.94$108.00 -
SPIKE S STRIPPED LWR ST9 9MM CLT MAG
Spike's Tactical
MSRP: $225.54$162.00Spike's lowers are made to the highest standards. If you are planning a build or just putting lowers away for a rainy day, you can't go wrong with Spike's lower receivers.MANUFACTURER: Spike's TacticalMPN: STLS910MODEL: ST9Action:...MSRP: $225.54$162.00 -
SHIELD SA-15 STRIPPED LOWER FLD BLK
Shield Arms
MSRP: $371.25$297.00SHIELD SA-15 STRIPPED LOWER FLD BLKMANUFACTURER: Shield ArmsMPN: SA-15-SLUMODEL: SA-15Action: Semi-automaticCaliber: 223 RemingtonType: Stripped Lower ReceiverColor: BlackMSRP: $371.25$297.00 -
SHARPS GEN2 THE JACK BILLET LOWER
Sharps Bros.
MSRP: $344.31$276.00The Jack Gen2 features now include a threaded bolt catch pin, reduced weight and improved styling - and lower costs to you.MANUFACTURER: Sharps Bros.MPN: SBLR03MODEL: SBLR03Action: Semi-automaticDescription: CNC Machined from 7075 Billet AluminumCaliber:...MSRP: $344.31$276.00 -
SHARPS GEN2 HELLBREAKER BILLET LOWER
Sharps Bros.
MSRP: $344.31$276.00The Hellbreaker's distinctive appearance is inspired by the P-40 Warhawk, which was one of the United States' most-produced fighter planes when World War II began.MANUFACTURER: Sharps Bros.MPN: SBLR01MODEL: SBLR01Action: Semi-automaticDescription: CNC...MSRP: $344.31$276.00 -
MAGNUM SWITCHBOLT 22LR RECEIVER
Magnum Research
MSRP: $407.81$327.00The SwitchBolt is born of extensive research and development, tested and perfected on the professional speed shooting circuit. Built in the USA, the SwitchBolt receivers, with integral Picatinny rail, are machined from a 6061-T6 forging, then hard coat...MSRP: $407.81$327.00 -
FMK AR15 POLYMER LOWER RECEIVER BLUE
FMK Firearms
MSRP: $55.93$40.00Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the...MSRP: $55.93$40.00 -
FAXON RECEIVER KIT FOR 10/22 BLK
Faxon Firearms
MSRP: $238.28$171.00The Faxon 10/22 Receiver Kit provides a quick and easy upgrade of your Ruger 10/22, or serves as the cornerstone for your next 10/22 rifle build. Faxon 10/22 Receivers are compatible with all Ruger OEM 10/22 non-takedown components, all Faxon Rimfire...MSRP: $238.28$171.00 -
PWS RATCHET LCK CASTLE NUT/END PLATE
Primary Weapons Systems
MSRP: $55.93$40.00The Ratchet Lock Castle Nut End Plate set works with mil-spec OR commercial buffer tubes and eliminates the need for staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy installation with any...MSRP: $55.93$40.00 -
ROSCO K9 13.95 556NATO SAUCE PACK
Rosco Manufacturing
MSRP: $406.14$348.00The Rosco Sauce Pack bundles were created after direct requests from Rosco's customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The result is a hand-picked list of parts that will produce...MSRP: $406.14$348.00 -
ROSCO 11.5 K9 BARREL PATROL LENGTH
Rosco Manufacturing
MSRP: $215.75$155.00The K9 11.5 offers a proprietary patrol length gas system that is smoother than carbine length, more reliable than mid-length. Features an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective...MSRP: $215.75$155.00 -
ROSCO K9 12.5 556NATO SAUCE PACK
Rosco Manufacturing
MSRP: $394.01$340.00The Rosco Sauce Pack bundles were created after direct requests from Rosco's customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The result is a hand-picked list of parts that will produce...MSRP: $394.01$340.00