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
SOLGW L89 BS V2 5.56 12.5 A2 BLK
Sons of Liberty Gun Works
MSRP: $1,368.71$1,211.25The L89BS (Broadsword) uppers include 7-sided L89 rails with Titanium barrel nuts and integral QD cups, BROADSWORD upper receivers, 4150CMV barrels, low profile gas blocks, and include the muzzle device. Bolt Carrier Groups and Charging Handles are NOT...MSRP: $1,368.71$1,211.25 -
Out of stock
SOLGW L89 BS V2 5.56 11.5 A2 BLK
Sons of Liberty Gun Works
MSRP: $1,369.28$1,211.75The L89BS (Broadsword) uppers include 7-sided L89 rails with Titanium barrel nuts and integral QD cups, BROADSWORD upper receivers, 4150CMV barrels, low profile gas blocks, and include the muzzle device. Bolt Carrier Groups and Charging Handles are NOT...MSRP: $1,369.28$1,211.75 -
Out of stock
SOLGW PREC V2 BBL 223 WYLDE 12.5
Sons of Liberty Gun Works
MSRP: $385.94$308.75The V2 barrels from SOLGW are optimized for balanced use, even with forward mounted enablers, and resist zero shift as a suppressor is added or removed.MANUFACTURER: Sons of Liberty Gun WorksMPN: 12.5PRECISION-SPR-223MODEL: PrecisionType of Barrel:...MSRP: $385.94$308.75 -
SOLGW L89 V2 5.56 11.5 A2 BLK
Sons of Liberty Gun Works
MSRP: $983.25$855.00These L89 Upper Receiver Groups are built using SOLGW forged upper, V2 Button rifled barrels, their V2 4140 gas block, and offered in a variety of length and muzzle device options. BCH and Charging Handles are not included.MANUFACTURER: Sons of Liberty...MSRP: $983.25$855.00 -
Out of stock
SOLGW PREC V2 BBL 6ARC 14.5 BLK
Sons of Liberty Gun Works
MSRP: $385.94$308.75The V2 barrels from SOLGW are optimized for balanced use, even with forward mounted enablers, and resist zero shift as a suppressor is added or removed.MANUFACTURER: Sons of Liberty Gun WorksMPN: 14.5PRECISION-SPR-6ARCMODEL: PrecisionType of Barrel:...MSRP: $385.94$308.75 -
Out of stock
SOLGW L89 V2 5.56 12.5 A2 BLK
Sons of Liberty Gun Works
MSRP: $983.25$855.00These L89 Upper Receiver Groups are built using SOLGW forged upper, V2 Button rifled barrels, their V2 4140 gas block, and offered in a variety of length and muzzle device options. BCH and Charging Handles are not included.MANUFACTURER: Sons of Liberty...MSRP: $983.25$855.00 -
Out of stock
ROSCO PUREBRED BBL 6MM ARC 14.5 STS
Rosco Manufacturing
MSRP: $244.52$185.21This Rosco 14.5" 6mm ARC Barrel was made to enhance the performance the 6mm ARC. The SPR contour is well suited for cold bore shots on target as well as keeping the weight at a great balance. Gas ports were sized according to the most popular precision...MSRP: $244.52$185.21 -
Out of stock
ROSCO 13.95 K9 BARREL MID LENGTH
Rosco Manufacturing
MSRP: $222.78$166.61The K9 13.95 features a mid-length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile to dissipate heat from hard use. With weight shifted to the back of the barrel,...MSRP: $222.78$166.61 -
ROSCO PB BBL 8.2 300BLK
Rosco Manufacturing
MSRP: $213.01$156.62This Rosco Purebred 8.2" 300 Blackout Barrel was designed for SBR/ Pistol use in conjunction with suppressors. This is the shortest that they will go to allow you the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing performance...MSRP: $213.01$156.62 -
Out of stock
ROSCO 13.7 GVT 5.56 NATO
Rosco Manufacturing
MSRP: $185.14$132.24This 13.7" Rosco barrel is the perfect option for an evenly capable SBR/ RECCE build. It is designed to give the shooter maneuverability at close quarters yet allow them to get first round impact hits as far as 300 yards. The gas system has been designed...MSRP: $185.14$132.24 -
Out of stock
ROSCO 10.5 M4 9MM NATO
Rosco Manufacturing
MSRP: $160.93$114.95This Rosco 10.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. The Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. They are a long way from their daddy's...MSRP: $160.93$114.95 -
Out of stock
ROSCO BL BBL 14.5 9MM
Rosco Manufacturing
MSRP: $184.28$131.63The Bloodline 14.5" 9mm Barrel. This Rosco 14.5" 9mm Barrel is the perfect addition for shooters that compete in the USPSA's PCC division, or are searching for a barrel which will offer astounding reliability and accuracy. Twist rates have also been...MSRP: $184.28$131.63