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
SEEKINS BBL 8 300BLK STS BLK
Seekins Precision
MSRP: $493.75$395.00Seekins Precision barrels live up to the company's name. Precision CNC machined to match grade specifications from the best quality 416 stainless steel blanks available, each barrel is inspected no less than four times to guarantee maximum accuracy and...MSRP: $493.75$395.00 -
Out of stock
ROSCO PUREBRED BBL 6MM ARC 14.5 STS
Rosco Manufacturing
MSRP: $244.52$186.00This 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$186.00 -
Out of stock
ROSCO K9 12.5 556NATO SAUCE PACK
Rosco Manufacturing
MSRP: $394.01$316.00The Rosco Sauce Pack bundles were created after direct requests from Rosco's customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The result is a hand-picked list of parts that will produce...MSRP: $394.01$316.00 -
Out of stock
ROSCO PB BBL SAUCE PACK 13.7 223WYL
Rosco Manufacturing
MSRP: $365.58$293.00High quality components and precise manufacturing makes Colt Products 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: Rosco...MSRP: $365.58$293.00 -
Out of stock
ROSCO BL BBL SAUCE PACK 12.5 5.56
Rosco Manufacturing
MSRP: $343.08$275.00High quality components and precise manufacturing makes Colt Products 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: Rosco...MSRP: $343.08$275.00 -
Out of stock
ROSCO BL BBL SAUCE PACK 11.5 5.56
Rosco Manufacturing
MSRP: $337.45$270.00High quality components and precise manufacturing makes Colt Products 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: Rosco...MSRP: $337.45$270.00 -
Out of stock
ROSCO 13.7 GVT 5.56 NATO
Rosco Manufacturing
MSRP: $185.14$133.00This 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$133.00 -
Out of stock
ROSCO 10.5 M4 9MM NATO
Rosco Manufacturing
MSRP: $160.93$115.00This 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$115.00 -
Out of stock
ROSCO BL BBL 14.5 9MM
Rosco Manufacturing
MSRP: $184.28$132.00The 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$132.00 -
Out of stock
ROSCO BL BBL 7.5 9MM 1/10
Rosco Manufacturing
MSRP: $163.80$117.00Bloodline 7.5" 9mm Barrel: This Rosco 7.5" 9mm Barrel was designed for Personal Defense Weapon (PDW) builds where the end user might run suppressed occasionally and have the need for extended accuracy at distance out of a compact platform. Twist rates...MSRP: $163.80$117.00 -
Out of stock
ROSCO BL BBL 5.5 9MM 1/10
Rosco Manufacturing
MSRP: $149.94$108.00Bloodline 5.5" 9mm Barrel: This Rosco 5.5" 9mm Barrel was primarily designed for suppressed carbines/ pistols where the handguard will be ran over the rail. It will give you the flexibility of running a suppressed platform that offers the most compact...MSRP: $149.94$108.00 -
Out of stock
ROSCO BL BBL 10.5 300BLK HB 1/7
Rosco Manufacturing
MSRP: $220.50$158.00This Rosco 10.5" 300 Blackout barrel was designed for SBR and Pistol use in conjunction with suppressors. The 10.5" 300 Blackout Rosco barrel was made to be a direct replacement for any MK 18 platforms that are currently in 5.56 NATO. The 10.5" barrel is...MSRP: $220.50$158.00