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-T UPPER 5.56 10.5 FDE
Aero Precision
MSRP: $655.49$569.99This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The proprietary ATLAS...MSRP: $655.49$569.99 -
AERO CMPLT UPPER 5.56 10.5 MOE BLK
Aero Precision
MSRP: $487.49$389.99This AR15 Complete Upper features a 10.5" 5.56 Carbine Barrel with Pinned FSB and Magpul MOE M-LOK SL Carbine Handguard.MANUFACTURER: Aero PrecisionMPN: APAR502505M3MODEL: AR-15 Complete UpperType of Barrel: 01:07:00Barrel Length: 10.5"Finish:...MSRP: $487.49$389.99 -
Out of stock
AERO CMPLT UPPER 5.56 10.5 MOE FDE
Aero Precision
MSRP: $487.49$389.99This AR15 Complete Upper features a 10.5" 5.56 Carbine Barrel with Pinned FSB and Magpul MOE M-LOK SL Carbine Handguard.MANUFACTURER: Aero PrecisionMPN: APAR502506M3MODEL: AR-15 Complete UpperType of Barrel: 01:07:00Barrel Length: 10.5"Finish:...MSRP: $487.49$389.99 -
WMD ACCENT BUILD KIT 556 RED
WMD Guns
MSRP: $207.90$148.50The color coated parts included are: Ejection Port Cover Door, Forward Assist, Castle Nut, Receiver End Plate, Bolt Catch, Mag Lever, Mag Button, Pivot Pin, Takedown Pin, Trigger Guard, Buffer Retainer. Also includes the pins and spring kit for the Lower...MSRP: $207.90$148.50 -
WMD ACCENT BUILD KIT 556 FDE
WMD Guns
MSRP: $207.90$148.50The color coated parts included are: Ejection Port Cover Door, Forward Assist, Castle Nut, Receiver End Plate, Bolt Catch, Mag Lever, Mag Button, Pivot Pin, Takedown Pin, Trigger Guard, Buffer Retainer. Also includes the pins and spring kit for the Lower...MSRP: $207.90$148.50 -
TROY LOW PROFILE GAS BLOCK .750 BLK
TROY Industries
MSRP: $42.08$30.36The Troy 0.750 Low-Profile Gas Block is made specifically for rifle barrels that have a 0.750 gas block seat. The low-profile design allows for clearance of most aftermarket rails that require a smaller gas block. Machined from 4140 pre-hardened steel...MSRP: $42.08$30.36 -
Out of stock
TPS AR-15 BOLT CATCH ASSEMBLY SS
TPS Arms
MSRP: $19.88$9.90When you are assembling your own AR the TPS Bolt Catch Assembly is the right part at the right price.MANUFACTURER: TPS ArmsMPN: AR-1034MODEL: 0Description: Bolt CatchMSRP: $19.88$9.90 -
Out of stock
SOLGW BLASTER GUTS
Sons of Liberty Gun Works
MSRP: $168.00$120.00Lower Parts Kit made from only the highest quality Mil-Spec or better components. The SOLGW Bolt Catch and Safety Selector are a Mil-Spec AISI8620 investment casting per the USGI TDP. Their Safety and Takedown Pivot Detents are solid hardened Stainless...MSRP: $168.00$120.00 -
SOLGW QUICK AMBI SAFETY 50 DEG
Sons of Liberty Gun Works
MSRP: $110.39$78.85Sons of Liberty Gun Works and Forward Controls Design have teamed up to bring you the Quick Ambi Safety, with a short 50 degrees throw, a long offset Q Lever, and a short standard lever.MANUFACTURER: Sons of Liberty Gun WorksMPN: QAS-50-Q-PC-LQ-SSMODEL:...MSRP: $110.39$78.85 -
SOLGW LIBERTY AMBI CHARGING HNDL 556
Sons of Liberty Gun Works
MSRP: $126.35$90.25The Liberty Charging Handle from Sons of Liberty Gun Works is designed to enhance both form and function in suppressed and unsuppressed rifles. It is ambidextrous, allowing smooth and consistent motion whether shooting with the strong or support side...MSRP: $126.35$90.25 -
SOLGW ENHNCD BLASTER GUTS B5 AMBI
Sons of Liberty Gun Works
MSRP: $212.80$152.00Lower Parts Kit made from only the highest quality Mil-Spec or better components. The SOLGW Bolt Catch and Safety Selector are a Mil-Spec AISI8620 investment casting per the USGI TDP. Their Safety and Takedown Pivot Detents are solid hardened Stainless...MSRP: $212.80$152.00 -
Out of stock
SEEKINS SELECT ADJ GAS BLOCK .750
Seekins Precision
MSRP: $166.60$119.00The Select Adjustable Gas Block allows a near infinite initial adjustment using an Allen wrench. To begin, simply turn the gas screw in (reducing gas) or out (increasing gas), whichever you require, and finish by attaching the gas switch for tool-less,...MSRP: $166.60$119.00