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 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 -
Out of stock
AERO AR9 LOWER RECEIVER 9/40 BLK
Aero Precision
MSRP: $237.99$170.00The 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: $237.99$170.00 -
Out of stock
AERO M5 AR10 COMPLETE LOWER BLK
Aero Precision
MSRP: $493.74$395.00Aero Precision's M5 .308 Complete Lower Receiver is the perfect base for your custom big-bore AR rifle. Save when you buy it complete and let their specialist do the installation for you!MANUFACTURER: Aero PrecisionMPN: APAR308214MODEL: M5Action:...MSRP: $493.74$395.00 -
Out of stock
AERO AR15 M4E1 COMPLETE LOWER BK
Aero Precision
MSRP: $368.74$295.00The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features our new M4E1 Lower Receiver with an A2 Grip.MANUFACTURER: Aero PrecisionMPN: APAR600112MODEL: M4E1Action: Semi-automaticFinish: AnodizedCaliber:...MSRP: $368.74$295.00 -
Out of stock
AERO AR15 CARBINE COMPLETE LOWER BLK
Aero Precision
MSRP: $343.74$275.00Aero Precision's AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. Save when you buy it complete and let our specialist do the installation for you!MANUFACTURER: Aero PrecisionMPN: APAR501374MODEL: Carbine CompleteAction:...MSRP: $343.74$275.00 -
Out of stock
AERO M4A1 CLONE STRIPPED LWR
Aero Precision
MSRP: $181.99$130.00The M4A1 Clone Lower Receiver features custom engraving on the AR15 Gen 2 Lower Receiver and is the perfect base for your M4A1 clone build.MANUFACTURER: Aero PrecisionMPN: APAR148018CMODEL: LowerAction: Semi-automaticDescription: M4A1 Clone LowerFinish:...MSRP: $181.99$130.00 -
Out of stock
AERO M16A4 CLONE STRIPPED LWR
Aero Precision
MSRP: $181.99$130.00The M16A4 Clone Lower Receiver features custom engraving on the AR15 Gen 2 Lower Receiver and is the perfect base for your M16A4 clone build. These lowers do not have engraving on the right side of the magwell.MANUFACTURER: Aero PrecisionMPN:...MSRP: $181.99$130.00 -
Out of stock
AERO AR15 ENHANCED COMPLETE LWR STR
Aero Precision
MSRP: $462.49$370.00The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features the M4E1 Lower Receiver and is upgraded to include a Magpul MOE Grip and STR Stock.MANUFACTURER: Aero PrecisionMPN: APAR600103MODEL: M4E1Action:...MSRP: $462.49$370.00