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Rifle Bolts & Bolt Carrier Groups

83 Items

Rifle Bolts & Bolt Carrier Groups Up To 35% Off— 83 Products In Stock / 24 Models

Our Rifle Bolts & Bolt Carrier Groups lineup includes 83 in-stock products selected from the brands serious shooters and outdoorsmen rely on. Enjoy savings Up To 35% Off on qualifying orders, and all Brownells brand products backed by our Forever Guarantee®.

You'll find options across Bolt Carrier Groups, Rifle Bolts, & Bolt Carrier Parts from 39 premium brands like BROWNELLS, J P ENTERPRISES, KAK INDUSTRY LLC., FAXON FIREARMS, with detailed specs to help you compare quality, materials, and performance. Verified buyers give our Rifle Bolts & Bolt Carrier Groups 4.3 Ratings out of 705 Reviews from verified buyers, a strong signal you can shop with confidence.

Whether you are gearing up for the range, the field, or daily carry, we stand behind every Rifle Bolts & Bolt Carrier Groups product we ship. Visit our full Rifle Parts category for the complete selection of related gear.

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Products:  33  –  64  of 121
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BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP
5 Stars
(4.5)

$135.42

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

$235.00

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

$211.26 - $225.00

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

$349.99

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

$99.10 - $139.99

Select Items In Stock
BROWNELLS - M16 5.56 LIGHTWEIGHT BOLT CARRIER GROUP BROWNELLS - M16 5.56 LIGHTWEIGHT BOLT CARRIER GROUP
5 Stars
(4.5)

$142.14

In stock
COLT - M16 5.56 BOLT CARRIER GROUP COLT - M16 5.56 BOLT CARRIER GROUP
5 Stars
(4.0)

$211.99

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

$38.99

$49.80

In stock
FAXON FIREARMS - RIMFIRE BOLT ASSEMBLY FOR RUGER 10/22® FAXON FIREARMS - RIMFIRE BOLT ASSEMBLY FOR RUGER 10/22®
5 Stars
(4.8)

$124.20

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

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

$164.00 - $174.00

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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)

$133.40 - $183.08

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)

$145.53

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

$167.75 - $171.24

In stock
BROWNELLS - M16 5.56 BOLT CARRIER GROUP NITRIDE MP BROWNELLS - M16 5.56 BOLT CARRIER GROUP NITRIDE MP
5 Stars
(4.6)

$100.84

In stock
LMT DEFENSE - ENHANCED BOLT FULL AUTO 5.56MM BOLT STANDARD CARRIER GROUP LMT DEFENSE - ENHANCED BOLT FULL AUTO 5.56MM BOLT STANDARD CARRIER GROUP
5 Stars
(0.0)

$489.60

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

$179.99

In stock
WILSON COMBAT - AR-15 BOLT CARRIER ASSEMBLY 5.56 NATO WILSON COMBAT - AR-15 BOLT CARRIER ASSEMBLY 5.56 NATO
5 Stars
(5.0)

$185.95 - $216.95

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

$109.99

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

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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
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
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)

$179.99 - $219.99

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

$28.99

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

$124.99

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

$77.69

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

$249.75 - $304.20

Select Items 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

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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)

$151.80

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)

$575.10

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

$155.49

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

$99.99

In stock
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

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

Select Items 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
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
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
ODIN WORKS INC. - AR-15 BOLT CARRIER GROUP ODIN WORKS INC. - AR-15 BOLT CARRIER GROUP
5 Stars
(4.0)

$122.99

In stock
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)

$201.48

In stock
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)

$199.99

In stock
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)

$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)

$125.86

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
KAK INDUSTRY LLC. - 5.56X45 NATO CHROME PLATED BOLT FOR AR-15 KAK INDUSTRY LLC. - 5.56X45 NATO CHROME PLATED BOLT FOR AR-15
5 Stars
(0.0)

$112.49

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

$280.25

In stock
SUPERLATIVE ARMS LLC - AR-15 DIRECT IMPINGEMENT BOLT CARRIER LEFT HAND SUPERLATIVE ARMS LLC - AR-15 DIRECT IMPINGEMENT BOLT CARRIER LEFT HAND
5 Stars
(0.0)

$89.99

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 - 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
ODIN WORKS INC. - AR 308 BOLT CARRIER GROUP ODIN WORKS INC. - AR 308 BOLT CARRIER GROUP
5 Stars
(0.0)

$213.75

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
BROWNELLS - AR-15 BROWNELLS 9MM BOLT CARRIER GROUP BROWNELLS - AR-15 BROWNELLS 9MM BOLT CARRIER GROUP
5 Stars
(4.0)

$178.37

In stock
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

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

$110.99

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
KAK INDUSTRY LLC. - M16 .224 VALKYRIE /6.8 SPECIAL BOLT CARRIER GROUP KAK INDUSTRY LLC. - M16 .224 VALKYRIE /6.8 SPECIAL BOLT CARRIER GROUP
5 Stars
(0.0)

$125.99

In stock
STERN DEFENSE, LLC - 9MM BOLT REPLACEMENT KIT STERN DEFENSE, LLC - 9MM BOLT REPLACEMENT KIT
5 Stars
(0.0)

$32.99

In stock
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
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)

$229.08 - $275.08

In stock
DANIEL DEFENSE - AR-15/M16 5.56 BOLT ASSEMBLY DANIEL DEFENSE - AR-15/M16 5.56 BOLT ASSEMBLY
5 Stars
(3.7)

$83.00

In stock
Products:  33  –  64  of 121