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
MIDWEST 5.56/AR15 ENHANCED BCG
Midwest Industries
MSRP: $235.13$168.00Midwest Industries was founded in 2003 by two partners in the precision machining industry, united by a lifelong belief in American-made products, American values, and the second amendment. Since the company was founded, their goal has been to provide...MSRP: $235.13$168.00 -
Out of stock
MIDWEST 5.56/AR15 BLACK NITRIDE BCG
Midwest Industries
MSRP: $221.13$158.00High quality components and precise manufacturing make Midwest Industries 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...MSRP: $221.13$158.00 -
Out of stock
LBE 556 BOLT CARRIER GROUP NIB
LBE Unlimited
MSRP: $176.69$141.00The LBE Nickel Boron Complete BCG includes the firing pin, retaining pin, cam pin, extractor and bolt gas rings. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: M16BCG-NIBMODEL: 556Finish: Nickel BoronType: Bolt Carrier GroupColor: SilverMSRP: $176.69$141.00 -
Out of stock
LBE AR BOLT CARRIER GROUP
LBE Unlimited
MSRP: $177.62$127.00AR15 Complete Bolt Carrier Group. Assembled and ready to go. Perfect for your next custom build or as a backup BCG.MANUFACTURER: LBE UnlimitedMPN: AR15BLTMODEL: Bolt Carrier GroupDescription: Bolt Carrier GroupType: Bolt Carrier GroupMSRP: $177.62$127.00 -
Out of stock
KAK K-SPEC ENH AR CAR DV SC NP3/CHR
KAK Industry
MSRP: $188.99$135.00The 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: $188.99$135.00 -
Out of stock
KAK K-SPEC AR BOLT 556/300BLK DE CHR
KAK Industry
MSRP: $157.49$113.00The K-SPEC dual ejector system uses Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection reliability and...MSRP: $157.49$113.00 -
Out of stock
KAK K-SPEC ENH CARRIER DV SC C&P
KAK Industry
MSRP: $138.59$99.00The 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.MANUFACTURER: KAK IndustryMPN: 204-0412-001MODEL:...MSRP: $138.59$99.00 -
Out of stock
KAK AR15 BCG M16 556 CLP C158 BLK
KAK Industry
MSRP: $176.33$126.00Phosphate 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: $176.33$126.00 -
Out of stock
KAK AR15 BCG M16 556 CHROME SLV
KAK Industry
MSRP: $163.79$117.00KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.MANUFACTURER: KAK IndustryMPN: 425-0505-001MODEL: Bolt Carrier...MSRP: $163.79$117.00 -
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 9MM BCG NO HAMMER BLK NITRIDE
FailZero
MSRP: $208.35$149.00This 9mm Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero Black Nitride 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. All critical parts are...MSRP: $208.35$149.00 -
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