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
BAD 10.5 UPPR AUTH ELITE 556 C GRAY
Battle Arms Development
MSRP: $1,033.85$899.00The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK attachment points at 3, 6, and 9 o'clock positions. At 12...MSRP: $1,033.85$899.00 -
Out of stock
BAD 10.5 UPPR AUTH ELITE 556 C BLK
Battle Arms Development
MSRP: $941.85$819.00The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK attachment points at 3, 6, and 9 o'clock positions. At 12...MSRP: $941.85$819.00 -
Out of stock
BALLISTIC BBL 556 11.5 CHF HNSN
Ballistic Advantage
MSRP: $356.25$285.00This 5.56 NATO chambered 11.5 inch Cold Hammer Forged barrel is machined from CrMoV steel with a manganese phosphate finish and chrome lined bore. Their limited run of Cold Hammer Forged barrels feature an M4 Feed Ramp Extension and are HP and MPI tested...MSRP: $356.25$285.00 -
Out of stock
BALLISTIC BBL 556 14.5 CHF HNSH MID
Ballistic Advantage
MSRP: $380.00$304.00This 5.56 NATO chambered 14.5 inch Cold Hammer Forged barrel is machined from CrMoV steel with a manganese phosphate finish and chrome lined bore. Their limited run of Cold Hammer Forged barrels feature an M4 Feed Ramp Extension and are HP and MPI tested...MSRP: $380.00$304.00 -
Out of stock
BALLISTIC BBL 300BLK 10.3 PREMIUM
Ballistic Advantage
MSRP: $273.13$219.00This .300 Blackout chambered 10.3 inch barrel is machined from 416 Stainless Steel with a bead blasted finish. Ballistic Advantage's Premium Series Barrels feature a Nickel Boron Coated M4 Feed Ramp Extension and are HP and MPI tested.MANUFACTURER:...MSRP: $273.13$219.00 -
Out of stock
BALLISTIC BBL 5.56 13.9 MID GOV 1/7
Ballistic Advantage
MSRP: $226.10$162.00Ballistic Advantage's 5.56 chambered 13.9 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$162.00 -
Out of stock
BALLISTIC BBL 5.56 10.3 CLASSIC SRS
Ballistic Advantage
MSRP: $226.10$162.00At 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: $226.10$162.00 -
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$0.00Qty in Cart: 0Quantity:Price:MSRP: $189.00$0.00Subtotal: -
Out of stock
AERO M4E1-T UPPER 300BLK 8 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 300BLK 8 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 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