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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Out of stock
AERO M4E1 PRO COMP LOWER CARBINE ODG
Aero Precision
MSRP: $599.99$480.00The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand.MANUFACTURER: Aero...MSRP: $599.99$480.00 -
Out of stock
AERO M4E1 PRO COMP LOWER CARBINE BLK
Aero Precision
MSRP: $599.99$480.00The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand.MANUFACTURER: Aero...MSRP: $599.99$480.00 -
Out of stock
AERO M4E1 PRO STRIPPED LOWER KOD BRN
Aero Precision
MSRP: $337.49$270.00The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand. All proprietary...MSRP: $337.49$270.00 -
Out of stock
AERO M4E1 PRO STRIPPED LOWER ODG
Aero Precision
MSRP: $337.49$270.00The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand. All proprietary...MSRP: $337.49$270.00 -
Out of stock
AERO M4E1 PRO STRIPPED LOWER BLK
Aero Precision
MSRP: $337.49$270.00The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand. All proprietary...MSRP: $337.49$270.00 -
Out of stock
AERO M5 AR10 CMPLTE LWR W/MOE BLK
Aero Precision
MSRP: $581.24$465.00The Aero Precision AR15 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features AR15 Gen 2 Lower and is upgraded to include a MOE SL Grip and MOE SL Carbine Stock. Save when you buy it complete and let their...MSRP: $581.24$465.00 -
Out of stock
AERO M5 AR10 STRIPPED LWR KODIAK BRN
Aero Precision
MSRP: $202.99$145.00The M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.MANUFACTURER: Aero PrecisionMPN: APAR308065CMODEL: M5Action:...MSRP: $202.99$145.00 -
Out of stock
AERO M4E1 STRIPPED LOWER KODIAK BRN
Aero Precision
MSRP: $195.99$140.00The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades, this custom-engineered design...MSRP: $195.99$140.00 -
Out of stock
AERO M4E1 STRIPPED LOWER ODG
Aero Precision
MSRP: $195.99$140.00The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades, this custom-engineered design...MSRP: $195.99$140.00 -
Out of stock
AERO M5 AR10 STRIPPED LWR ODG
Aero Precision
MSRP: $202.99$145.00The M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.MANUFACTURER: Aero PrecisionMPN: APAR308181CMODEL: M5Action:...MSRP: $202.99$145.00 -
Out of stock
AERO AR9 COMPLETE LOWER 9/40 BLK
Aero Precision
MSRP: $449.99$360.00The Aero Precision EPC-9 Complete Lower Receiver is the perfect base for your custom AR9 build. This lower receiver comes without a stock/brace giving the builder flexibility to choose exactly what configuration they want the first time.MANUFACTURER:...MSRP: $449.99$360.00 -
Out of stock
AERO AR9 LOWER RECEIVER 9/40 FDE
Aero Precision
MSRP: $265.99$190.00The EPC-9 Lower Receiver delivers billet aesthetics in a forged package for your next pistol caliber build. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and has several functional features, much like the M4E1, to help simplify...MSRP: $265.99$190.00