Save 15% On Gun Part Orders $200+ w/ Code: BRNBUILD

Save 15% On Gun Part Orders $200+ w/ Code: BRNBUILD

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WITH BROWNELLS

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4509 Site Banners - BRN180 Gen-3 Launch_Category Hero
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero Mobile(1)

BROWNELLS BRN-180® GEN3

See What You've Been Missing
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4230 Site Banners - Brownells BCG_Dekstop
4230 Site Banners - Brownells BCG_MobileV2

No - They're Not Another
Run-Of-The-Mill BCG

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3771-KAK-K-Spec-BCGs-CP-Hero-1920x385
3771-KAK-K-Spec-BCGs-CP-Hero-768x450

TIRED OF GETTING A FACEFUL OF BLOWBACK?

KAK K-Spec Down Vent BCG Vents Gasses Away From
The Shooter Perfect For Overgassed & Suppressed Guns

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Bolt Carrier Groups 53 Items

Bolt Carrier Groups Up To 17% Off + Coupon — 53 Products In Stock / 6 Models

 

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Product badge J P ENTERPRISES - AR.308 FULL MASS OPERATING SYSTEM COMPLETE CARRIER GROUP J P ENTERPRISES - AR.308 FULL MASS OPERATING SYSTEM COMPLETE CARRIER GROUP
5 Stars
(5.0)

$479.75

In stock
Product badge J P ENTERPRISES - AR-15 5.56 FULL MASS BOLT CARRIER GROUP J P ENTERPRISES - AR-15 5.56 FULL MASS BOLT CARRIER GROUP
5 Stars
(5.0)

$356.25

In stock
Product badge AERO PRECISION - 308 WINCHESTER /7.62mm BOLT CARRIER GROUP FOR AR .308 AERO PRECISION - 308 WINCHESTER /7.62mm BOLT CARRIER GROUP FOR AR .308
5 Stars
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Product badge BROWNELLS BUNDLES - M16 BCG & MAGPUL AR-15 PMAG GEN M2 MOE MAGAZINE BUILDER'S BUNDLE BROWNELLS BUNDLES - M16 BCG & MAGPUL AR-15 PMAG GEN M2 MOE MAGAZINE BUILDER'S BUNDLE
5 Stars
(5.0)

$182.99

In stock
Product badge STERN DEFENSE, LLC - M16 9MM BOLT FOR GLOCK® AND COLT STERN DEFENSE, LLC - M16 9MM BOLT FOR GLOCK® AND COLT
5 Stars
(5.0)

$129.99 - $169.99

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Product badge RISE ARMAMENT - M16 BOLT CARRIER GROUP NICKEL BORON RISE ARMAMENT - M16 BOLT CARRIER GROUP NICKEL BORON
5 Stars
(5.0)

$149.99

$179.99

In stock
Product badge ODIN WORKS INC. - 6.5 GRENDEL TYPE 2 BOLT CARRIER GROUP ODIN WORKS INC. - 6.5 GRENDEL TYPE 2 BOLT CARRIER GROUP
5 Stars
(5.0)

$141.55

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Product badge BATTLE ARMS DEVELOPMENT INC. - M16 BOLT CARRIER GROUP BATTLE ARMS DEVELOPMENT INC. - M16 BOLT CARRIER GROUP
5 Stars
(5.0)

$135.99

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Product badge STERN DEFENSE, LLC - AR-15 GEN 2 BOLT CARRIER FOR GLOCK® & COLT .40S&W STERN DEFENSE, LLC - AR-15 GEN 2 BOLT CARRIER FOR GLOCK® & COLT .40S&W
5 Stars
(5.0)

$125.09

$142.65

In stock
Product badge CMMG - AR-15 ECHO CONVERSION KIT 22LR CMMG - AR-15 ECHO CONVERSION KIT 22LR
5 Stars
(4.8)

$182.99

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Product badge WMD GUNS - M16 5.56 NICKEL BORON BOLT CARRIER GROUPS WMD GUNS - M16 5.56 NICKEL BORON BOLT CARRIER GROUPS
5 Stars
(4.8)

$174.99 - $180.99

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Product badge BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP
5 Stars
(4.8)

$129.99

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Product badge FAXON FIREARMS - GEN-2 9MM BOLT CARRIER GROUP FOR GLOCK® & COLT® STYLE LOWER FAXON FIREARMS - GEN-2 9MM BOLT CARRIER GROUP FOR GLOCK® & COLT® STYLE LOWER
5 Stars
(4.7)

$129.77

$151.80

In stock
Product badge BROWNELLS - M16 7.62X39 BOLT CARRIER GROUP NITRIDE MP BROWNELLS - M16 7.62X39 BOLT CARRIER GROUP NITRIDE MP
5 Stars
(4.7)

$119.99

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Product badge BROWNELLS - M16 5.56 BOLT CARRIER GROUP NITRIDE MP BROWNELLS - M16 5.56 BOLT CARRIER GROUP NITRIDE MP
5 Stars
(4.6)

$99.99

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Product badge KAK INDUSTRY LLC. - K-SPEC M16 5.56 NATO BOLT CARRIER GROUP W/SIDE VENT KAK INDUSTRY LLC. - K-SPEC M16 5.56 NATO BOLT CARRIER GROUP W/SIDE VENT
5 Stars
(4.5)

$179.99 - $219.99

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Product badge WILSON COMBAT - AR-15 BOLT CARRIER ASSEMBLY 5.56 NATO WILSON COMBAT - AR-15 BOLT CARRIER ASSEMBLY 5.56 NATO
5 Stars
(4.5)

$185.95 - $216.95

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Product badge CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS
5 Stars
(4.5)

$164.99 - $199.99

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Product badge SONS OF LIBERTY GUN WORKS - 5.56X45MM NATO BOLT CARRIER GROUP FOR AR-15 SONS OF LIBERTY GUN WORKS - 5.56X45MM NATO BOLT CARRIER GROUP FOR AR-15
5 Stars
(4.5)
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Product badge BROWNELLS - M16 5.56 LIGHTWEIGHT BOLT CARRIER GROUP BROWNELLS - M16 5.56 LIGHTWEIGHT BOLT CARRIER GROUP
5 Stars
(4.4)

$139.99

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Product badge BROWNELLS - AR-15 SEMI-AUTO CHROME BOLT CARRIER GROUPS BROWNELLS - AR-15 SEMI-AUTO CHROME BOLT CARRIER GROUPS
5 Stars
(4.4)

$139.99

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Product badge BRAVO COMPANY - M16 5.56 BOLT CARRIER GROUP BRAVO COMPANY - M16 5.56 BOLT CARRIER GROUP
5 Stars
(4.3)

$199.99 - $225.00

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Product badge BROWNELLS - 308AR BOLT CARRIER GROUPS BROWNELLS - 308AR BOLT CARRIER GROUPS
5 Stars
(4.3)

$159.99 - $169.99

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Product badge SPIKES TACTICAL - M16 5.56 NICKEL BORRON BOLT CARRIER GROUP SPIKES TACTICAL - M16 5.56 NICKEL BORRON BOLT CARRIER GROUP
5 Stars
(4.1)

$224.99

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Product badge BROWNELLS - AR-15 BROWNELLS 9MM BOLT CARRIER GROUP BROWNELLS - AR-15 BROWNELLS 9MM BOLT CARRIER GROUP
5 Stars
(4.1)

$169.99

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Product badge WILSON COMBAT - AR .308 BOLT CARRIER ASSEMBLY WILSON COMBAT - AR .308 BOLT CARRIER ASSEMBLY
5 Stars
(4.0)

$308.95

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Product badge KAK INDUSTRY LLC. - K-SPEC M16 5.56X45MM NATO BOLT CARRIER GROUP KAK INDUSTRY LLC. - K-SPEC M16 5.56X45MM NATO BOLT CARRIER GROUP
5 Stars
(4.0)

$179.99 - $219.99

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Product badge ODIN WORKS INC. - AR-15 BOLT CARRIER GROUP ODIN WORKS INC. - AR-15 BOLT CARRIER GROUP
5 Stars
(4.0)

$122.99

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Product badge LAW TACTICAL LLC - ARIC INTERNAL CARRIERS FOR AR-15 LAW TACTICAL LLC - ARIC INTERNAL CARRIERS FOR AR-15
5 Stars
(3.9)

$396.99 - $419.00

In stock
Product badge BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP
5 Stars
(3.8)

$119.99 - $129.99

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Product badge BROWNELLS - M16 450 BUSHMASTER / 458 SOCOM BOLT CARRIER GROUP NITRIDE BROWNELLS - M16 450 BUSHMASTER / 458 SOCOM BOLT CARRIER GROUP NITRIDE
5 Stars
(3.7)

$99.99

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Product badge FAXON FIREARMS - 6.5 GRENDEL/6MM ARC TYPE 2 BOLT CARRIER GROUP FOR AR-15/M16 FAXON FIREARMS - 6.5 GRENDEL/6MM ARC TYPE 2 BOLT CARRIER GROUP FOR AR-15/M16
5 Stars
(3.6)

$129.76

$151.80

In stock
Products: – of 85