BCG
Gas & Brass Armory offers a trusted selection of AR-15 Bolt Carrier Groups (BCGs) for your rifle builds in Brandon, FL. Whether you're looking for a reliable mil-spec BCG or a premium enhanced model, we stock top brands like Aero Precision, BCM, FailZero, and Toolcraft. Choose from phosphate, nitride, or nickel boron finishes, with full-auto and lightweight options available. All BCGs are built to perform under pressure and keep your rifle cycling reliably.
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Out of stock
KAK KSPEC AR15 BCG 556 DE CLP BLK
KAK Industry
MSRP: $251.99$180.00The 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: $251.99$180.00 -
Out of stock
KAK AR15 BCG M16 556/300 CLP BLK
KAK Industry
MSRP: $163.79$117.00Phosphate 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$117.00 -
Out of stock
FZ M16/M4 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$143.00This 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$143.00 -
Out of stock
FZ 7.62X39 BCG NO HAMMER NIB
FailZero
MSRP: $217.81$156.00This 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$156.00 -
Out of stock
FZ 6.8SPC BCG NO HAMMER NIB
FailZero
MSRP: $217.81$156.00This 6.8 SPC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6.8 SPC. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme...MSRP: $217.81$156.00 -
Out of stock
FZ 9MM BCG NO HAMMER NICKEL BORON
FailZero
MSRP: $265.19$190.00This 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$190.00 -
Out of stock
FZ AR15 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$143.00This 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$143.00 -
Out of stock
FZ M16/M4 BCG NO HAMMER BLK
FailZero
MSRP: $198.88$143.00This 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$143.00 -
Out of stock
FZ AR15 BCG NO HAMMER BLK
FailZero
MSRP: $198.88$143.00This 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$143.00 -
Out of stock
FZ LIGHTWEIGHT BOLT CARRIER GROUP
FailZero
MSRP: $254.19$204.00This 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: $254.19$204.00 -
Out of stock
FZ BASIC SEMI KIT BOLT & HAMMER
FailZero
MSRP: $217.81$156.00This 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: $217.81$156.00 -
Out of stock
FZ M16/M4 BOLT CARRIER GROUP
FailZero
MSRP: $217.81$156.00This 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: $217.81$156.00