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3771-KAK-K-Spec-BCGs-CP-Hero-1920x385
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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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No - They're Not Another
Run-Of-The-Mill BCG

See What Sets The Brownells BCG Apart!
Learn More
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BROWNELLS BRN-180® GEN3

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Looking For The Most Impactful AR Upgrade?

JP SILENT CAPTURED SPRING

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Rifle Bolts & Bolt Carrier Groups

63 Items

Rifle Bolts & Bolt Carrier Groups Up To 35% Off— 63 Products In Stock / 24 Models

 

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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
J P ENTERPRISES - AR.308 BOLT CARRIER J P ENTERPRISES - AR.308 BOLT CARRIER
5 Stars
(5.0)

$280.25

In stock
J P ENTERPRISES - 308 AR LOW MASS BOLT CARRIERS J P ENTERPRISES - 308 AR LOW MASS BOLT CARRIERS
5 Stars
(5.0)

$280.25

In stock
J P ENTERPRISES - AR-15 FULL MASS BOLT CARRIER ASSEMBLY J P ENTERPRISES - AR-15 FULL MASS BOLT CARRIER ASSEMBLY
5 Stars
(5.0)

$232.75

In stock
J P ENTERPRISES - 308 AR ENHANCED HIGH PRESSURE BOLT COMPLETION GROUP J P ENTERPRISES - 308 AR ENHANCED HIGH PRESSURE BOLT COMPLETION GROUP
5 Stars
(5.0)

$217.95

In stock
J P ENTERPRISES - 308 AR ENHANCED BOLT COMPLETION GROUP J P ENTERPRISES - 308 AR ENHANCED BOLT COMPLETION GROUP
5 Stars
(5.0)

$192.80

In stock
KIDD INNOVATIVE DESIGN - COMPLETE BOLT FOR RUGER 10/22 KIDD INNOVATIVE DESIGN - COMPLETE BOLT FOR RUGER 10/22
5 Stars
(5.0)

$169.00 - $189.99

In stock
J P ENTERPRISES - AR-15 6.5 GRENDEL / 6MM ARC COMPLETE BOLT ASSEMBLY ENHANCED J P ENTERPRISES - AR-15 6.5 GRENDEL / 6MM ARC COMPLETE BOLT ASSEMBLY ENHANCED
5 Stars
(5.0)

$155.75

In stock
BROWNELLS - BRN-180™ COMPLETE BOLT BROWNELLS - BRN-180™ COMPLETE BOLT
5 Stars
(5.0)

$139.99

In stock
STERN DEFENSE, LLC - AR-15 9MM BOLT FOR GLOCK® AND COLT STERN DEFENSE, LLC - AR-15 9MM BOLT FOR GLOCK® AND COLT
5 Stars
(5.0)

$129.99

In stock
J P ENTERPRISES - AR-15/M16 5.56 ENHANCED BOLT COMPLETION GROUP J P ENTERPRISES - AR-15/M16 5.56 ENHANCED BOLT COMPLETION GROUP
5 Stars
(5.0)

$126.99

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

$119.99

$135.99

In stock
Product badge FAXON FIREARMS - RIMFIRE BOLT ASSEMBLY FOR RUGER 10/22® FAXON FIREARMS - RIMFIRE BOLT ASSEMBLY FOR RUGER 10/22®
5 Stars
(5.0)

$108.80

$124.20

In stock
BROWNELLS - BRN-4® BOLT ASSEMBLY BROWNELLS - BRN-4® BOLT ASSEMBLY
5 Stars
(5.0)

$99.99

In stock
Product badge SONS OF LIBERTY GUN WORKS - 5.56X45MM NATO BOLT ASSEMBLY FOR AR-15 SONS OF LIBERTY GUN WORKS - 5.56X45MM NATO BOLT ASSEMBLY FOR AR-15
5 Stars
(5.0)
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In stock
BROWNING - CARRIER GUIDE PIN BROWNING - CARRIER GUIDE PIN
5 Stars
(5.0)

$8.99

In stock
BROWNELLS - AR-15 6.5 GRENDEL NITRIDE MP BROWNELLS - AR-15 6.5 GRENDEL NITRIDE MP
5 Stars
(4.9)

$44.99

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

$214.99

In stock
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

In stock
BROWNELLS - BRN-22® BOLT ASSEMBLY BROWNELLS - BRN-22® BOLT ASSEMBLY
5 Stars
(4.8)

$94.99 - $139.99

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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
(4.8)

$132.99

$151.80

In stock
J P ENTERPRISES - AR-15/M16 5.56 ENHANCED BOLT ASSEMBLY J P ENTERPRISES - AR-15/M16 5.56 ENHANCED BOLT ASSEMBLY
5 Stars
(4.8)

$125.35

In stock
BROWNELLS - AR-15 BOLT CARRIER GAS KEY BROWNELLS - AR-15 BOLT CARRIER GAS KEY
5 Stars
(4.8)

$28.99

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

$119.99

In stock
BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP
5 Stars
(4.6)

$129.99

In stock
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)
Add to cart to see price

In stock
BRAVO COMPANY - M16 5.56 BOLT CARRIER GROUP BRAVO COMPANY - M16 5.56 BOLT CARRIER GROUP
5 Stars
(4.4)

$199.99 - $225.00

In stock
J P ENTERPRISES - AR-15 6.5 GRENDEL/ 6MM ARC ENHANCED BOLT ASSEMBLY J P ENTERPRISES - AR-15 6.5 GRENDEL/ 6MM ARC ENHANCED BOLT ASSEMBLY
5 Stars
(4.3)

$142.45

In stock
BROWNELLS - AR-15 BROWNELLS 9MM BOLT CARRIER GROUP BROWNELLS - AR-15 BROWNELLS 9MM BOLT CARRIER GROUP
5 Stars
(4.1)

$169.99

In stock
BROWNELLS - BRN-4® BOLT CARRIER GROUP PHOSPHATE & CHROME BROWNELLS - BRN-4® BOLT CARRIER GROUP PHOSPHATE & CHROME
5 Stars
(4.0)

$349.99

In stock
J P ENTERPRISES - AR-15 LOW MASS BOLT CARRIER ASSEMBLY J P ENTERPRISES - AR-15 LOW MASS BOLT CARRIER ASSEMBLY
5 Stars
(4.0)

$232.75

In stock
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)

$156.17 - $191.52

$179.99 - $219.99

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