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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BAD 16 UPPR WRKHORSE 556AMBI GRAY
Battle Arms Development
MSRP: $745.48$709.98The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...MSRP: $745.48$709.98 -
BAD 16 UPPR WRKHORSE 556 AMBI C BLK
Battle Arms Development
MSRP: $692.98$659.98The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...MSRP: $692.98$659.98 -
BAD 16 UPPR WRKHORSE 556 AMBI BLK
Battle Arms Development
MSRP: $692.98$659.98The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...MSRP: $692.98$659.98 -
BAD 16 UPR AUTH ELITE 556AMBI C GRAY
Battle Arms Development
MSRP: $954.45$909.00The 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: $954.45$909.00 -
BAD 16 UPPR AUTH ELITE 556AMBI C BLK
Battle Arms Development
MSRP: $865.20$824.00The 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: $865.20$824.00 -
BAD 16 UPPR AUTH ELITE 556 AMBI BLK
Battle Arms Development
MSRP: $865.20$824.00The 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: $865.20$824.00 -
Out of stock
BAD WORKHORSE 556 UPPR 16 BLK N/BCG
Battle Arms Development
MSRP: $529.99$499.99Established in 2009, Battle Arms Development, Inc. (B.A.D. Inc.) stands as a distinguished force in the realm of small arms innovation. Nestled in the heart of Henderson, Nevada, their company is driven by a relentless commitment to pushing the...MSRP: $529.99$499.99 -
AERO M4E1-T UPPER 308WIN 16 FDE
Aero Precision
MSRP: $820.00$739.99The M5 308 come with the S-ONE line of handguards which is designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining...MSRP: $820.00$739.99 -
Out of stock
AERO CMPLT UPPER 5.56 16 MOE FDE
Aero Precision
MSRP: $460.00$414.99This AR15 Complete Upper features a 16" 5.56 MId-Length Barrel with Pinned FSB and Magpul MOE Handguard.MANUFACTURER: Aero PrecisionMPN: APAR502506M65MODEL: AR-15 Complete UpperType of Barrel: 01:07:00Barrel Length: 16"Finish: AnodizedFit: AR-15Caliber:...MSRP: $460.00$414.99 -
Out of stock
AERO M4E1-T UPPER 5.56 16 FDE
Aero Precision
MSRP: $695.00$624.99This complete upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable and dependable...MSRP: $695.00$624.99 -
AERO M4E1-T UPPER 5.56 16 BLK
Aero Precision
MSRP: $655.00$589.99This complete upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable and dependable...MSRP: $655.00$589.99 -
AERO COMPLETE UPPER 5.56 20 A2 BLK
Aero Precision
MSRP: $565.00$509.99This AR15 Complete Upper is the same upper receiver used in the AERO M16A4 Special Edition Complete Rifle and features a 20" 5.56 Barrel with Pinned FSB, A2 Handguard and A2 Detachable Carry Handle.MANUFACTURER: Aero PrecisionMPN: APAR505611MODEL: AR-15...MSRP: $565.00$509.99