5938 Brownells Site Banners - Week 50 - Category Banners_CMMG
5938 Brownells Site Banners - Week 50 - Category Banners_CMMG Mobile

15% Off All CMMG
AR Parts & Upgrades

*Prices Shown In Cart

Shop The Sale
4230 Site Banners - Brownells BCG_Dekstop
4230 Site Banners - Brownells BCG_MobileV2

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

See What Sets The Brownells BCG Apart!
Learn More
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

Get Yours
5323 Brownells Site Banners - SC Brownells Tax Stamp Promo_Category Banner
5323 Brownells Site Banners - SC Brownells Tax Stamp Promo_Category Banner Mobile

ON SELECT SUPPRESSORS

From Banish, Gunwerks & Nosler
+ Delivered To Your Door!
Find Your New Can
3768-BOGO-Deals-CP-Hero-1920x385
3768-BOGO-Deals-CP-Hero-768x450

NEVER COMPROMISE

Fold Your AR And
Don't Sacrifice Reliability
Shop Now
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
Back In Stock!
JP-Silent-Capture-Spring-CP-Hero-1920x385
JP-Silent-Capture-Spring-CP-Hero-768x450

Looking For The Most Impactful AR Upgrade?

JP SILENT CAPTURED SPRING

Upgrade Your AR

Rifle Bolts & Bolt Carrier Groups

63 Items

Rifle Bolts & Bolt Carrier Groups Up To 35% Off + Coupon — 63 Products In Stock / 23 Models

 

Sort by:
63 Results
You're viewing results for:
Products:   –   of 123
Number of results: 
  • 32
  • 64
  • 96
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 - 308 AR LOW MASS BOLT CARRIERS J P ENTERPRISES - 308 AR LOW MASS BOLT CARRIERS
5 Stars
(5.0)

$280.25

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

$221.99

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

Select Items 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
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)

$114.47 - $148.98

$129.99 - $169.99

Select Items In Stock
BROWNELLS - BRN-180™ COMPLETE BOLT BROWNELLS - BRN-180™ COMPLETE BOLT
5 Stars
(5.0)

$139.99

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

$135.99

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
COLT - AR15A4 BOLT ASSEMBLY COLT - AR15A4 BOLT ASSEMBLY
5 Stars
(5.0)

$118.99

In stock
Product badge 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)

$114.38

$129.99

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
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)

$104.49

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

$99.99

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

$8.99

In stock
DANIEL DEFENSE - M16 5.56 BOLT CARRIER GROUP DANIEL DEFENSE - M16 5.56 BOLT CARRIER GROUP
5 Stars
(4.9)

$228.00

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
Product badge 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

Select Items In Stock
BROWNELLS - AR-15 BOLT CARRIER GAS KEY BROWNELLS - AR-15 BOLT CARRIER GAS KEY
5 Stars
(4.8)

$28.99

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
(4.7)

$132.99

$151.80

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

Select Items In Stock
BROWNELLS - AR-15 SEMI-AUTO CHROME BOLT CARRIER GROUPS BROWNELLS - AR-15 SEMI-AUTO CHROME BOLT CARRIER GROUPS
5 Stars
(4.4)

$139.99

In stock
BROWNELLS - 308AR BOLT CARRIER GROUPS BROWNELLS - 308AR BOLT CARRIER GROUPS
5 Stars
(4.3)

$159.99 - $169.99

In stock
VOLQUARTSEN - RUGER 10/22 COMPETITION BOLT ASSEMBLY VOLQUARTSEN - RUGER 10/22 COMPETITION BOLT ASSEMBLY
5 Stars
(4.1)

$257.99

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
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
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

Select Items In Stock
COLT - M16 5.56 BOLT CARRIER GROUP COLT - M16 5.56 BOLT CARRIER GROUP
5 Stars
(4.0)

$211.99

In stock
POWER CUSTOM - RUGER® 10/22® MATCH BOLT POWER CUSTOM - RUGER® 10/22® MATCH BOLT
5 Stars
(4.0)

$155.49

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

$74.99

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

In stock
BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP
5 Stars
(3.9)

$119.99 - $129.99

In stock
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
Product badge SONS OF LIBERTY GUN WORKS - SOLGW 5.56 BCG HARD CHROME 158C SONS OF LIBERTY GUN WORKS - SOLGW 5.56 BCG HARD CHROME 158C
5 Stars
(3.7)

$169.99

$250.00

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)

$132.98

$151.80

In stock
COLT - BOLT CARRIER COLT - BOLT CARRIER
5 Stars
(3.5)

$124.99

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

$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)

$200.68 - $240.97

$229.08 - $275.08

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)

$116.86 - $160.38

$133.40 - $183.08

In stock
BROWNELLS - AR-15 9MM BOLT ASSEMBLY FOR GLOCK BROWNELLS - AR-15 9MM BOLT ASSEMBLY FOR GLOCK
5 Stars
(2.9)

$109.99

In stock
GREY BIRCH MFG - RUGER 10/22™ PRECISION BOLT ASSEMBLY GREY BIRCH MFG - RUGER 10/22™ PRECISION BOLT ASSEMBLY
5 Stars
(2.8)

$192.99

In stock
KAK INDUSTRY LLC. - M16 5.56X45MM NATO BOLT CARRIER GROUP KAK INDUSTRY LLC. - M16 5.56X45MM NATO BOLT CARRIER GROUP
5 Stars
(2.0)

$116.99

Select Items In Stock
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)

$176.50

$201.48

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

$512.10

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)

$512.10

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

$170.98 - $224.98

Select Items In Stock
ODIN WORKS INC. - AR 308 BOLT CARRIER GROUP ODIN WORKS INC. - AR 308 BOLT CARRIER GROUP
5 Stars
(0.0)

$213.75

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

In stock
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)

$179.99

In stock
Product badge RISE ARMAMENT - 5.56X45 NATO ADVANCED BOLT CARRER GROUP FOR AR-15 RISE ARMAMENT - 5.56X45 NATO ADVANCED BOLT CARRER GROUP FOR AR-15
5 Stars
(0.0)

$179.99

In stock
KAK INDUSTRY LLC. - K-SPEC M16 7.62X39MM BOLT CARRIER GROUP KAK INDUSTRY LLC. - K-SPEC M16 7.62X39MM BOLT CARRIER GROUP
5 Stars
(0.0)

$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)

$132.98

$151.80

In stock
Product badge FAXON FIREARMS - 6.8/.224 VALKYRIE BOLT CARRIER GROUP FOR AR-15 FAXON FIREARMS - 6.8/.224 VALKYRIE BOLT CARRIER GROUP FOR AR-15
5 Stars
(0.0)

$132.98

$151.80

In stock
KAK INDUSTRY LLC. - M16 7.62X39MM BOLT CARRIER GROUP KAK INDUSTRY LLC. - M16 7.62X39MM BOLT CARRIER GROUP
5 Stars
(0.0)

$125.99

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
(0.0)

$89.99

Select Items In Stock
Product badge SAKO - SAKO 85 DLX BOLT RELEASE SAKO - SAKO 85 DLX BOLT RELEASE
5 Stars
(0.0)

$69.99

$108.49

In stock
Product badge SAKO - SAKO 85XL SAF DLX BOLT RELEASE SAKO - SAKO 85XL SAF DLX BOLT RELEASE
5 Stars
(0.0)

$69.99

$107.99

In stock
Products:   –   of 123