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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?

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4230 Site Banners - Brownells BCG_MobileV2

No - They're Not Another
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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

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Looking For The Most Impactful AR Upgrade?

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Rifle Bolts & Bolt Carrier Groups

70 Items

Rifle Bolts & Bolt Carrier Groups Up To 35% Off— 70 Products In Stock / 26 Models

 

We have 70 Rifle Bolts & Bolt Carrier Groups products from 41 premium brands like BROWNELLS, J P ENTERPRISES, KAK INDUSTRY LLC., FAXON FIREARMS including Bolt Carrier Groups, Rifle Bolts, & Bolt Carrier Parts at great savings Up To 35% Off and best reviews 4.3 Ratings out of 733 Reviews from verified buyers.  (See all Rifle Parts products)

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Products:  33  –  64  of 128
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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

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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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ANGSTADT ARMS, LLC - AR-15 9MM BOLT CARRIER GROUP ANGSTADT ARMS, LLC - AR-15 9MM BOLT CARRIER GROUP
5 Stars
(5.0)

$159.00

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

$136.95

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

$134.99

$179.99

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

$82.99

$99.99

In stock
BROWNING - CARRIER GUIDE PIN BROWNING - CARRIER GUIDE PIN
5 Stars
(5.0)

$8.99

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

$38.99

$44.99

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
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
Product badge BROWNELLS - AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP BROWNELLS - AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP
5 Stars
(4.8)

$86.99

$99.99

In stock
Product badge BROWNELLS - M16 5.56 BOLT ASSEMBLY NITRIDE MP BROWNELLS - M16 5.56 BOLT ASSEMBLY NITRIDE MP
5 Stars
(4.8)

$40.99

$46.99

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

$20.99

$28.99

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
(4.7)
Add to cart to see price

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)

$103.99

$119.99

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

$113.99

$129.99

In stock
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

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
Product badge BROWNELLS - BRN-4® BOLT CARRIER GROUP PHOSPHATE & CHROME BROWNELLS - BRN-4® BOLT CARRIER GROUP PHOSPHATE & CHROME
5 Stars
(4.2)

$292.99

$349.99

In stock
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

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

$146.99

$169.99

In stock
WILSON COMBAT - AR .308 BOLT CARRIER ASSEMBLY WILSON COMBAT - AR .308 BOLT CARRIER ASSEMBLY
5 Stars
(4.0)

$308.95

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)

$155.99 - $191.99

$179.99 - $219.99

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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
(4.0)

$155.99 - $191.99

$179.99 - $219.99

In stock
ODIN WORKS INC. - AR-15 BOLT CARRIER GROUP ODIN WORKS INC. - AR-15 BOLT CARRIER GROUP
5 Stars
(4.0)

$122.99

In stock
Product badge CMMG - AR-15 BOLT ASSEMBLY 5.56MM CMMG - AR-15 BOLT ASSEMBLY 5.56MM
5 Stars
(4.0)

$64.99

$77.69

In stock
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

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

$104.99 - $112.99

$119.99 - $129.99

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BROWNELLS - M16 450 BUSHMASTER / 458 SOCOM BOLT CARRIER GROUP NITRIDE BROWNELLS - M16 450 BUSHMASTER / 458 SOCOM BOLT CARRIER GROUP NITRIDE
5 Stars
(3.8)

$99.99

In stock
WMD GUNS - AR-15/M16 NiB-X® BOLT ASSEMBLY WMD GUNS - AR-15/M16 NiB-X® BOLT ASSEMBLY
5 Stars
(3.7)

$69.99

In stock
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)

$132.99

$151.80

In stock
SPIKES TACTICAL - M16 5.56 BOLT CARRIER GROUP SPIKES TACTICAL - M16 5.56 BOLT CARRIER GROUP
5 Stars
(3.4)

$144.99

In stock
Product badge BROWNELLS - M16 5.56 BOLT CARRIER GROUP NICKEL BORON MP BROWNELLS - M16 5.56 BOLT CARRIER GROUP NICKEL BORON MP
5 Stars
(3.4)

$120.99

$139.99

In stock
Product badge FAXON FIREARMS - 5.56X45 NATO LIGHTWEIGHT MIL-SPEC BOLT CARRIER GROUP FOR AR15 FAXON FIREARMS - 5.56X45 NATO LIGHTWEIGHT MIL-SPEC BOLT CARRIER GROUP FOR AR15
5 Stars
(3.3)

$200.99 - $240.99

$229.08 - $275.08

In stock
Product badge BROWNELLS - AR-15 9MM BOLT ASSEMBLY FOR GLOCK BROWNELLS - AR-15 9MM BOLT ASSEMBLY FOR GLOCK
5 Stars
(3.3)

$93.99

$109.99

In stock
WILSON COMBAT - AR308 LOW MASS BOLT CARRIER GROUP NICKEL BORON WILSON COMBAT - AR308 LOW MASS BOLT CARRIER GROUP NICKEL BORON
5 Stars
(3.0)

$319.95

In stock
Product badge FAXON FIREARMS - 5.56X45MM NATO MIL-SPEC BOLT CARRIER GROUP FOR AR-15/M16 FAXON FIREARMS - 5.56X45MM NATO MIL-SPEC BOLT CARRIER GROUP FOR AR-15/M16
5 Stars
(3.0)

$116.99 - $159.99

$133.40 - $183.08

In stock
SUPERLATIVE ARMS LLC - AR-15 DIRECT IMPINGEMENT BOLT CARRIER RIGHT HAND SUPERLATIVE ARMS LLC - AR-15 DIRECT IMPINGEMENT BOLT CARRIER RIGHT HAND
5 Stars
(2.0)

$89.99

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Product badge FAXON FIREARMS - GEN-2 308 WIN/6.5 CREEDMOOR/8.6BLK BOLT CARRIER GROUP FOR AR-308 FAXON FIREARMS - GEN-2 308 WIN/6.5 CREEDMOOR/8.6BLK BOLT CARRIER GROUP FOR AR-308
5 Stars
(1.0)

$175.99

$201.48

In stock
FIGHTLITE INDUSTRIES - MCR DUAL FEED CARRIER STRIPPED FIGHTLITE INDUSTRIES - MCR DUAL FEED CARRIER STRIPPED
5 Stars
(0.0)

$589.99

In stock
LMT DEFENSE - SEMI-AUTO 7.62X51 NATO BOLT CARRIER GROUP LMT DEFENSE - SEMI-AUTO 7.62X51 NATO BOLT CARRIER GROUP
5 Stars
(0.0)

$575.10

In stock
J P ENTERPRISES - AR-15 6.5 GRENDEL/ 6MM ARC FULL MASS BOLT CARRIER GROUP J P ENTERPRISES - AR-15 6.5 GRENDEL/ 6MM ARC FULL MASS BOLT CARRIER GROUP
5 Stars
(0.0)

$375.25

In stock
Product badge KNIGHT'S ARMAMENT - 5.56 NATO BOLT ASSEMBLY KIT W/DUAL EJECTOR FOR SR-15/16 KNIGHT'S ARMAMENT - 5.56 NATO BOLT ASSEMBLY KIT W/DUAL EJECTOR FOR SR-15/16
5 Stars
(0.0)

$362.52

In stock
LMT DEFENSE - AR-15 BOLT CARRIER GROUP LMT DEFENSE - AR-15 BOLT CARRIER GROUP
5 Stars
(0.0)

$249.75 - $304.20

In stock
Product badge VOLQUARTSEN - COMPETITION BOLT 2.0 FOR 10/22 VOLQUARTSEN - COMPETITION BOLT 2.0 FOR 10/22
5 Stars
(0.0)

$270.00

In stock
J P ENTERPRISES - AR-15 STAINLESS STEEL LOW MASS BOLT CARRIER J P ENTERPRISES - AR-15 STAINLESS STEEL LOW MASS BOLT CARRIER
5 Stars
(0.0)

$232.75

In stock
M16 BCG & AR-15 PMAG 10 Packs M16 BCG & AR-15 PMAG 10 Packs

$158.38 - $206.08

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Product badge KNIGHT'S ARMAMENT - KNIGHTS ARMAMENT SR-15/SR-16 FIELD REPAIR KIT FOR 3.2 BOLT KNIGHT'S ARMAMENT - KNIGHTS ARMAMENT SR-15/SR-16 FIELD REPAIR KIT FOR 3.2 BOLT
5 Stars
(0.0)

$187.69

In stock
ZERMATT ARMS - ORIGIN/TL3/SR3 REPLACEMENT BOLT HEADS ZERMATT ARMS - ORIGIN/TL3/SR3 REPLACEMENT BOLT HEADS
5 Stars
(0.0)

$125.99 - $184.99

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Product badge NEXT LEVEL ARMAMENT - NLX556 PREMIUM 5.56 NATO BOLT CARRIER GROUP FOR AR-15 NEXT LEVEL ARMAMENT - NLX556 PREMIUM 5.56 NATO BOLT CARRIER GROUP FOR AR-15
5 Stars
(0.0)

$170.99

$195.00

In stock
Product badge KAK INDUSTRY LLC. - K-SPEC M16 .224 VALKYRIE /6.8 SPECIAL BOLT CARRIER GROUP KAK INDUSTRY LLC. - K-SPEC M16 .224 VALKYRIE /6.8 SPECIAL BOLT CARRIER GROUP
5 Stars
(0.0)

$155.99

$179.99

In stock
Product badge FAXON FIREARMS - 7.62X39MM TYPE 1 BOLT CARRIER GROUP FOR AR-15 FAXON FIREARMS - 7.62X39MM TYPE 1 BOLT CARRIER GROUP FOR AR-15
5 Stars
(0.0)

$132.99

$151.80

In stock
Products:  33  –  64  of 128