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 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 -
SANTAN STT-15L LT PLR RCVR MULTI ODG
San Tan Tactical
MSRP: $589.66$472.00The STT-15 was born out of a desire to develop a true ambidextrous AR-15 pattern weapon system, built to the tightest possible tolerances. The full suite of ambidextrous controls comes standard on all Pillar AMBI receiver sets and lowers and allows for...MSRP: $589.66$472.00 -
SANTAN STT-15 PILLAR RECEIVER SET
San Tan Tactical
MSRP: $562.50$450.00San Tan Tactical believes in America, and the heritage upon which this great nation was built. They only use the highest quality machine's in conjunction with the highest quality American made materials.MANUFACTURER: San Tan TacticalMPN:...MSRP: $562.50$450.00 -
RADIAN BUILDER KIT 8.5 BROWN
Radian Weapons
MSRP: $1,378.54$1,220.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $1,378.54$1,220.00 -
RADIAN BUILDER KIT 10 BLACK
Radian Weapons
MSRP: $1,418.09$1,255.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $1,418.09$1,255.00 -
RADIAN A-DAC 15 LOWER RECEIVER BROWN
Radian Weapons
MSRP: $592.19$515.00Machined from billet 7075-T6 aluminum, the A-DAC 15 is a fully ambidextrous lower receiver for AR15-style firearms. In addition to the Talon Ambidextrous Safety Selector, left-side magazine release, and right-side bolt release, the A-DAC 15 features the...MSRP: $592.19$515.00 -
RADIAN A-DAC 15 LOWER RECEIVER BLACK
Radian Weapons
MSRP: $592.19$515.00Machined from billet 7075-T6 aluminum, the A-DAC 15 is a fully ambidextrous lower receiver for AR15-style firearms. In addition to the Talon Ambidextrous Safety Selector, left-side magazine release, and right-side bolt release, the A-DAC 15 features the...MSRP: $592.19$515.00 -
PWS MK1 2-M COMP LOWER KODIAK BROWN
Primary Weapons Systems
MSRP: $624.21$571.00Experience shooting versatility with the PWS MK1 MOD 2-M Multi-Caliber Lower Receiver. Crafted from robust 7075-T651 Forged Aluminum and finished with Mil 8625 Type lll Class 2 hard coat anodize, this lower empowers shooters to customize their rifle with...MSRP: $624.21$571.00 -
PWS MK1 MOD 2-M STRIPPED LOWER
Primary Weapons Systems
MSRP: $374.94$320.00Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, they tested their compensators on all different types of rifles - from M4s to AK-47s. After using both styles of rifles in testing with high...MSRP: $374.94$320.00 -
LANTAC RVN BLLT BUILDER SET 10.5 RL
LanTac USA LLC
MSRP: $773.94$673.00The Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...MSRP: $773.94$673.00 -
LANTAC RVN BLLT BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $754.39$656.00The Lantac AR-15 builder set includes an upper and lower receiver, along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...MSRP: $754.39$656.00