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
KAK AR15 BCG M16 556 CLP C158 BLK
KAK Industry
MSRP: $176.33$125.95Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of...MSRP: $176.33$125.95 -
Out of stock
KAK AR15 BCG M16 556 K-SPEC CHR DE
KAK Industry
MSRP: $274.99$219.99The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...MSRP: $274.99$219.99 -
Out of stock
KAK AR15 BCG M16 556/300 CLP BLK
KAK Industry
MSRP: $163.79$116.99Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of...MSRP: $163.79$116.99 -
FZ M16/M4 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$142.06This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...MSRP: $198.88$142.06 -
FZ 7.62X39 BCG NO HAMMER NIB
FailZero
MSRP: $217.81$155.58This 7.62x39 Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil-spec upper receivers chambered in 7.62x39. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme...MSRP: $217.81$155.58 -
FZ 9MM BCG NO HAMMER NICKEL BORON
FailZero
MSRP: $265.19$189.42This 9mm AR Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. All critical parts are coated with EXO...MSRP: $265.19$189.42 -
FZ 458 SOCOM BCG NO HAMMER NIB
FailZero
MSRP: $217.81$155.58This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .458 SOCOM Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability, and increased...MSRP: $217.81$155.58 -
FZ AR15 BCG NO HAMMER BLK
FailZero
MSRP: $198.88$142.06This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...MSRP: $198.88$142.06 -
FZ EXO BOLT ASSEMBLY
FailZero
MSRP: $113.65$81.18This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR15, M16, M4 Carriers. EXO Nickel Boron provides permanent dry lubricity; increased wear and corrosion resistance. By reducing friction this bolt assembly...MSRP: $113.65$81.18 -
FZ M16 BOLT CARRIER GROUP
FailZero
MSRP: $179.93$128.52This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...MSRP: $179.93$128.52 -
Out of stock
DBST BCG WITH O RING
Doublestar Corp.
MSRP: $183.39$130.99This complete bolt-and-carrier group easily drops into a standard mil-spec AR-15 upper, and it's ready to shoot. Batch magnetic particle inspected bolt gives long service life. Bolt and carrier feature a matte black phosphate finish that resists heat,...MSRP: $183.39$130.99 -
CMC ENHANCED BCG AR15 NTRD MIL-SPEC
CMC Triggers
MSRP: $250.74$179.10High quality components and precise manufacturing make CMC parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER: CMC...MSRP: $250.74$179.10