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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LUTH AR A1 ASSEMBLED UPPER RECEIVER
Luth-AR
MSRP: $199.95$188.00Looking to build a high-quality retro looking AR? Start your project with a complete A1 upper receiver anodized. Comes with the standard features of a Mil-Spec upper receiver and is forged from 7075-T6 aluminum with a black hard coat anodized, tough...MSRP: $199.95$188.00 -
LBE UPPER W/FRWRD ASSIST AND EJECTIO
LBE Unlimited
MSRP: $129.99$107.00LBE Unlimited is a leading producer of US Made gun parts and accessories, particularly for the AR-15 platform. Whether you're in the middle of an AR build or you're just looking to upgrade a key component, LBE has you covered with reliable parts and...MSRP: $129.99$107.00 -
BAD XIPHOS 9MM STPD UPPER RECEIVER
Battle Arms Development
MSRP: $259.95$239.00The BATTLEARMS XIPHOS dedicated PCC upper was designed to be a lightweight and rugged option when it comes to pistol caliber upper receiver groups. Even though it is matched perfectly with their XIPHOS lower receiver, this upper receiver will work with...MSRP: $259.95$239.00 -
AERO M5 AR10 ASSEMBLED UPPER BLACK
Aero Precision
MSRP: $180.00$155.00The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...MSRP: $180.00$155.00 -
TRUE PREC TP22 10/22 RECEIVER BLACK
True Precision
$285.00TRUE PREC TP22 10/22 RECEIVER BLACKMANUFACTURER: True PrecisionMPN: TP-1022RC-BLMODEL: TP22Action: Semi-automaticCaliber: 22 LRColor: Black$285.00 -
SPIKE S BILLET LOWER GEN2 W/PARTS
Spike's Tactical
MSRP: $506.25$405.00This lower receiver design was engineered to shave weight and increase strength. Now you can have a billet lower receiver with full ambi controls close to the weight of a standard forged receiver without sacrificing any strength. All edges and surfaces...MSRP: $506.25$405.00 -
SPIKE S STRIPPED LOWER (FIRE/SAFE)
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: STLS018MODEL: STLS018Action:...MSRP: $149.94$108.00 -
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 -
SPIKE S STRIPPED LOWER(CALICO JACK) STLS016
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: STLS016MODEL: Calico JackAction:...MSRP: $149.94$108.00 -
SPIKE S STRIPPED LOWER (SNOWFLAKE) STLS030
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: STLS030MODEL: STLS030Action:...MSRP: $149.94$108.00 -
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