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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BALLISTIC BBL 5.56 10.3 HANSON LPGB
Ballistic Advantage
MSRP: $255.31$204.25At Ballistic Advantage they produce quality AR barrels that exceed the most enduring demands of their customers. All of their AR barrels surpass the competition in accuracy, precision, and beautifully contoured aesthetics. BA's engaged team of engineers...MSRP: $255.31$204.25 -
Out of stock
ANGSTADT 10.5 BBL 9MM AR BLK
Angstadt Arms
MSRP: $189.00$0.00A 10.5" 9mm lightweight profile barrel made from 4150 chrome-moly steel with a 1-10" twist rate and 1/2x28 thread pitch.MANUFACTURER: Angstadt ArmsMPN: AA0910BB28MODEL: 0Barrel Length: 10.5"Description: 1/2X28Fit: AR RiflesCaliber: 9MMType: BarrelColor:...MSRP: $189.00$0.00 -
ANGSTADT 9MM 6 AR BARREL 1/2X28
Angstadt Arms
MSRP: $151.20$108.00A 6" 9mm lightweight profile barrel made from 4150 chrome-moly steel with a 1-10" twist rate and 1/2x28 thread pitch.MANUFACTURER: Angstadt ArmsMPN: AA0906BB28MODEL: 0Barrel Length: 6"Description: 1/2X28Fit: AR RiflesCaliber: 9MMType: BarrelColor: BlackMSRP: $151.20$108.00 -
Out of stock
AERO M4E1-T UPPER 300BLK 8 BLK
Aero Precision
MSRP: $615.24$534.99This 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: $615.24$534.99 -
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 -
Out of stock
AERO M4E1-T UPPER 5.56 10.5 BLK
Aero Precision
MSRP: $615.24$534.99This 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: $615.24$534.99 -
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 -
AERO M4E1-T UPPER 5.56 14.5 FDE
Aero Precision
MSRP: $701.49$609.99This 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$609.99 -
YHM DUST COVER ASSY 300 BLK
Yankee Hill Machine Co
MSRP: $22.69$13.75YHM caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver. Assemblies Include the following: Caliber Marked Dust Cover, Rod and Retaining Clip, Spring.MANUFACTURER: Yankee Hill Machine CoMPN:...MSRP: $22.69$13.75 -
YHM DUST COVER ASSY 556 NATO
Yankee Hill Machine Co
MSRP: $22.69$13.75YHM caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver. Assemblies Include the following: Caliber Marked Dust Cover, Rod and Retaining Clip, Spring.MANUFACTURER: Yankee Hill Machine CoMPN:...MSRP: $22.69$13.75 -
YHM EZ PULL TAKEDOWN PINS SET
Yankee Hill Machine Co
MSRP: $31.15$22.25These takedown pins have over sized heads to make separating the upper and lower receiver faster and easier. Perfect for the shooting enthusiast with a variety of top ends and a single lower receiver. Heat treated and plated to Mil. Specs.MANUFACTURER:...MSRP: $31.15$22.25