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$570.00This 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$570.00 -
Out of stock
AERO M4E1-T UPPER 5.56 10.5 BLK
Aero Precision
MSRP: $615.24$535.00This 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: $615.24$535.00 -
Out of stock
AERO CMPLT UPPER 5.56 10.5 MOE BLK
Aero Precision
MSRP: $487.49$390.00This 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$390.00 -
Out of stock
AERO CMPLT UPPER 5.56 10.5 MOE FDE
Aero Precision
MSRP: $487.49$390.00This 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$390.00 -
Out of stock
AERO M4E1-T UPPER 5.56 14.5 FDE
Aero Precision
MSRP: $701.49$610.00This AR15 Complete Upper features a 14.5" 5.56 MId-Length Barrel with low profile gas block and 12.7" M-LOK Rail.MANUFACTURER: Aero PrecisionMPN: APAR700714M5MODEL: M4E1-TType of Barrel: 01:07:00Barrel Length: 14.5"Finish: AnodizedFit: AR-15Caliber: 223...MSRP: $701.49$610.00 -
Out of stock
AERO M4E1-T UPPER 5.56 14.5 BLK
Aero Precision
MSRP: $661.24$575.00This AR15 Complete Upper features a 14.5" 5.56 MId-Length Barrel with low profile gas block and 12.7" M-LOK Rail.MANUFACTURER: Aero PrecisionMPN: APAR700704M5MODEL: M4E1-TType of Barrel: 01:07:00Barrel Length: 14.5"Finish: AnodizedFit: AR-15Caliber: 223...MSRP: $661.24$575.00 -
Out of stock
YHM PISTOL LENGTH GAS TUBE BLK
Yankee Hill Machine Co
MSRP: $32.20$23.00Standard on the YHM-15 rifles and carbines. Their black plated gas tubes look better than a standard gas tube when used on their vented forearms.MANUFACTURER: Yankee Hill Machine CoMPN: YHM-BL-04PMODEL: 0Description: Pistol Length Gas TubeType: Gas...MSRP: $32.20$23.00 -
Out of stock
TROY .875 GAS BLOCK
TROY Industries
MSRP: $51.32$37.00Troy's .875 Low Profile Gas Block is made specifically for bull barrel rifles that have a 0.875 gas block seat. Machined from 4140 pre-hardened steel finished with MIL-STD Manganese Phosphate. Gas tube roll pin not included.MANUFACTURER: TROY...MSRP: $51.32$37.00 -
Out of stock
TROY AMBI BOLT RELEASE BLK
TROY Industries
MSRP: $40.77$30.00The Ambidextrous Bolt Release is an indispensable device that easily releases or holds bolt open with one hand to streamline firearm clearing and reloading after a malfunction. By being ambidextrous, this bolt release eliminates hand changeovers...MSRP: $40.77$30.00 -
Out of stock
TROY LOW PROFILE GAS BLOCK .750 BLK
TROY Industries
MSRP: $42.08$31.00The 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$31.00 -
Out of stock
TPS AR-15 BOLT CATCH ASSEMBLY SS
TPS Arms
MSRP: $19.88$10.00When 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$10.00 -
Out of stock
TIMNEY 49 ER SAFETY SELECTOR BLK
Timney Triggers
MSRP: $88.23$64.00The Timney 49er 49 or 90 DEGREE SAFETY (Ambidextrous) can be used in either the normal 90 degree or for ultra quick changes a 49 degree short throw for quick and easy manipulation. In addition, the safety features an end plate allowing the removal of the...MSRP: $88.23$64.00