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 14.5 CAR M4 1/7
Ballistic Advantage
MSRP: $219.45$156.75Ballistic Advantage's 5.56 chambered 14.5 inch M4 Profile Carbine Length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.MANUFACTURER: Ballistic...MSRP: $219.45$156.75 -
BALLISTIC BBL 5.56 14.5 MID GOV 1/7
Ballistic Advantage
MSRP: $226.10$161.50Ballistic Advantage 5.56 chambered 14.5 inch Government Profile Mid-Length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.MANUFACTURER: Ballistic...MSRP: $226.10$161.50 -
BALLISTIC BBL 5.56 12.5 CAR GOV 1/7
Ballistic Advantage
MSRP: $212.80$152.00This 5.56 chambered 12.5 inch Government Profile Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules Apply. You may use this barrel with a...MSRP: $212.80$152.00 -
BALLISTIC BBL 5.56 11.5 CAR GOV 1/7
Ballistic Advantage
MSRP: $206.15$147.25At 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: $206.15$147.25 -
BALLISTIC BBL 5.56 10.5 CAR GOV 1/7
Ballistic Advantage
MSRP: $199.50$142.50This 5.56 chambered 10.5 inch Government Profile Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules Apply. You may use this barrel with a...MSRP: $199.50$142.50 -
ANGSTADT MDP-9 CMPLT UPPR 9MM 6 BLK
Angstadt Arms
MSRP: $1,452.05$1,285.00High quality components and precise manufacturing makes Angstadt Arms ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.MANUFACTURER: Angstadt...MSRP: $1,452.05$1,285.00 -
ANGSTADT CMPLT UPPR 9MM 6 BLK
Angstadt Arms
MSRP: $620.99$539.99Angstadt Arms complete upper receiver pistol assembly is ready to run out of the box with any 9mm AR-15 lower receiver. Featuring the same high quality parts that go into their UDP-9 pistol, this completed upper receiver is compatible with both GLOCK and...MSRP: $620.99$539.99 -
Out of stock
ANGSTADT CMPLT UPPR 9MM 6 SUP RDY
Angstadt Arms
MSRP: $776.24$674.99Angstadt Arms complete upper receiver assembly is ready to run out of the box with a sound suppressor! This pistol upper features a 9mm 3-lug muzzle brake, Blastwave blast shield and Radian Weapons Ambidextrous charging handle. Compatible with any 9mm...MSRP: $776.24$674.99 -
AERO M4E1-T UPPER 300BLK 8 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 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 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 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