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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ROSCO 14.5 GVT 5.56 NATO
Rosco Manufacturing
MSRP: $187.71$133.00The 14.5" M4 5.56 NATO Bloodline Barrel (Mid-Length). This 14.5" M4 5.56 NATO Mid-Length barrel was designed around the USASOC specs for an Improved Upper Receiver Group with a little bit of the Rosco touch as well. The longer gas system allows for a...MSRP: $187.71$133.00 -
ROSCO BL BBL 14.5 5.56 1/7
Rosco Manufacturing
MSRP: $206.64$148.0014.5" M4 5.56 NATO Bloodline Barrel: This Rosco 14.5" M4 5.56 NATO Bloodline Barrel was built around the M4 platform and is designed to be the next evolutionary step in the series. This barrel is perfectly suited for your next patrol or duty carbine...MSRP: $206.64$148.00 -
ROSCO 12.5 M4 5.56 NATO
Rosco Manufacturing
MSRP: $184.28$128.00This Rosco 12.5" 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: $184.28$128.00 -
ROSCO BL BBL 11.5 5.56 1/7
Rosco Manufacturing
MSRP: $192.78$138.00Bloodline 11.5" M4 5.56 NATO: This Rosco 11.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. ALL NFA RULES APPLY! Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters...MSRP: $192.78$138.00 -
ROSCO BL BBL 10.5 5.56 1/7
Rosco Manufacturing
MSRP: $185.22$133.00Bloodline 10.5" M4 5.56 NATO: This Rosco 10.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. ALL NFA RULES APPLY! Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters...MSRP: $185.22$133.00 -
RADICAL UPPR 300BLK 10.5 MLOK BLK
Radical Firearms
MSRP: $542.46$296.00The Radical Firearms 10.5" HBAR profile 300BLK is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with the 10" RPR free float rail...MSRP: $542.46$296.00 -
RADIAN UPPER 10.5 223 WYLDE ODG
Radian Weapons
MSRP: $2,152.59$1,905.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,152.59$1,905.00 -
RADIAN UPPER 10.5 223 WYLDE FDE
Radian Weapons
MSRP: $2,152.59$1,905.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,152.59$1,905.00 -
RADIAN UPPER 10.5 223 WYLDE BROWN
Radian Weapons
MSRP: $2,152.59$1,905.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,152.59$1,905.00 -
RADIAN UPPER 9 300 BLK ODG
Radian Weapons
MSRP: $2,067.84$1,830.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,067.84$1,830.00 -
RADIAN UPPER 9 300 BLK FDE
Radian Weapons
MSRP: $2,067.84$1,830.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,067.84$1,830.00 -
RADIAN UPPER 9 300 BLK GRAY
Radian Weapons
MSRP: $2,067.84$1,830.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,067.84$1,830.00