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 M5 AR10 COMPLETE LOWER BLK
Aero Precision
MSRP: $493.74$394.99Aero 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$394.99 -
Out of stock
AERO AR15 M4E1 COMPLETE LOWER BK
Aero Precision
MSRP: $368.74$294.99The 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$294.99 -
Out of stock
AERO AR15 CARBINE COMPLETE LOWER BLK
Aero Precision
MSRP: $343.74$274.99Aero 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$274.99 -
AERO M4A1 CLONE STRIPPED LWR
Aero Precision
MSRP: $181.99$129.99The 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$129.99 -
AERO M16A4 CLONE STRIPPED LWR
Aero Precision
MSRP: $181.99$129.99The 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$129.99 -
Out of stock
AERO AR15 ENHANCED COMPLETE LOWER BK
Aero Precision
MSRP: $481.24$384.99The AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. The Enhanced Complete Lower features a Magpul MOE Grip, Magpul STR Stock and Billet Trigger Guard.MANUFACTURER: Aero PrecisionMPN: APAR501112MODEL: Standard Gen 2...MSRP: $481.24$384.99 -
AERO M5 AR10 STRIPPED LWR FDE
Aero Precision
MSRP: $287.49$229.99The 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: APAR308005CMODEL: M5Action:...MSRP: $287.49$229.99 -
AERO M5 AR10 STRIPPED LWR BLK
Aero Precision
MSRP: $202.99$144.99Aero Precision's 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: APAR308003CMODEL: M5Action:...MSRP: $202.99$144.99 -
Out of stock
SPIKE S BBL 5.56 11.5 FN CHF M4 EXT
Spike's Tactical
MSRP: $393.70$314.96The mission is simple, strive to build the highest quality products and offer them at the best possible price to the consumer. It doesn't matter if you are simply a gun enthusiast, a competitive 3 gun shooter or a military or law enforcement...MSRP: $393.70$314.96 -
Out of stock
SOLGW E INDIA KIT V2 5.56 12.5 BLK
Sons of Liberty Gun Works
MSRP: $593.75$475.00The East India Starter Kit is a building block for any build you wish to do. Properly assembled with a USGI barrel nut, this is a great way to finish assembling your own upper without having to know how to install a barrel and gas block.MANUFACTURER:...MSRP: $593.75$475.00 -
Out of stock
SOLGW E INDIA KIT V2 5.56 14.5 BLK
Sons of Liberty Gun Works
MSRP: $593.75$475.00The East India Starter Kit is a building block for any build you wish to do. Properly assembled with a USGI barrel nut, this is a great way to finish assembling your own upper without having to know how to install a barrel and gas block.MANUFACTURER:...MSRP: $593.75$475.00 -
Out of stock
SOLGW L89 BS V2 5.56 14.5 HUX BLK
Sons of Liberty Gun Works
MSRP: $1,476.06$1,306.25The L89BS (Broadsword) uppers include 7-sided L89 rails with Titanium barrel nuts and integral QD cups, BROADSWORD upper receivers, 4150CMV barrels, low profile gas blocks, and include the muzzle device. Bolt Carrier Groups and Charging Handles are NOT...MSRP: $1,476.06$1,306.25