GunPartPicker
M16 Bolt Carrier Group 5.56X45mm NATO Full Chrome

KAK Industry

M16 Bolt Carrier Group 5.56X45mm NATO Full Chrome

Cartridge: 5.56 NATO
Style: Forged
Finish: Chrome
$104
Currently Available
KAK AR15 BCG M16 556 K-SPEC NP3 DE

KAK Industry

KAK AR15 BCG M16 556 K-SPEC NP3 DE

Cartridge: 5.56 NATO
Style: Forged
$229
Currently Available
KAK Industry Bolt Carrier Group For AR-15 8620 Steel Construction Chrome Lined Phosphate Finish Black C158 Bolt

KAK Industry

KAK Industry Bolt Carrier Group For AR-15 8620 Steel Construction Chrome Lined Phosphate Finish Black C158 Bolt

Cartridge: Multi
Finish: Phosphate
$126
Currently Available
K-SPEC M16 BCG w/Side Vent 5.56X45mm NATO Full Chrome

KAK Industry

K-SPEC M16 BCG w/Side Vent 5.56X45mm NATO Full Chrome

Cartridge: 5.56 NATO
Finish: Chrome
$187
Currently Available
M16 .224 VALKYRIE /6.8 SPECIAL BOLT CARRIER GROUP

KAK Industry

M16 .224 VALKYRIE /6.8 SPECIAL BOLT CARRIER GROUP

Cartridge: 6.8 SPC II
$107
Currently Available
KAK AR15 BCG M16 556 NP3 9130 SLV

KAK Industry

KAK AR15 BCG M16 556 NP3 9130 SLV

Cartridge: 5.56 NATO
$158
Currently Available
K-SPEC M16 BCG w/Side Vent 5.56x45mm Chrome & Phosphate Blk

KAK Industry

K-SPEC M16 BCG w/Side Vent 5.56x45mm Chrome & Phosphate Blk

Cartridge: 5.56 NATO
Style: Forged
Finish: Phosphate
$147
Currently Available
KAK Industry K-Spec Enhanced Bolt Carrier Group 7.62x39mm, Black

KAK Industry

KAK Industry K-Spec Enhanced Bolt Carrier Group 7.62x39mm, Black

Cartridge: 7.62x39mm
Finish: Black
$147
Currently Available
KAK Industry AR-15 Firing Pin - Chrome Plated

KAK Industry

KAK Industry AR-15 Firing Pin - Chrome Plated

Cartridge: 9mm
Finish: Chrome
$7
Currently Available
M16 6.5MM GRENDEL TYPE 2 BOLT CARRIER GROUP

KAK Industry

M16 6.5MM GRENDEL TYPE 2 BOLT CARRIER GROUP

Cartridge: 6.5 Grendel
$117
Currently Available
KAK K-SPEC Low Mass AR15 BCG Dual Ejectors Down Vent Sand Cuts

KAK Industry

KAK K-SPEC Low Mass AR15 BCG Dual Ejectors Down Vent Sand Cuts

Style: Billet
$74
Currently Available
K-SPEC M16 6.5MM GRENDEL TYPE 2 BOLT CARRIER GROUP

KAK Industry

K-SPEC M16 6.5MM GRENDEL TYPE 2 BOLT CARRIER GROUP

Cartridge: 6.5 Grendel
Style: Billet
Finish: Nitride
$180
Currently Available
KAK Industry Bolt Carrier Group 7.62x39mm, Black

KAK Industry

KAK Industry Bolt Carrier Group 7.62x39mm, Black

Cartridge: 7.62x39mm
Finish: Black
$126
Currently Available
Kak Industry K Spec Enhanced Bolt Carrier Group For Ar 15 5.56.300 Blackout Full Chrome

KAK Industry

Kak Industry K Spec Enhanced Bolt Carrier Group For Ar 15 5.56.300 Blackout Full Chrome

Style: Billet
Finish: Nitride
$220
Currently Unavailable
KAK Industry K-Spec Enhanced Bolt Carrier, Black

KAK Industry

KAK Industry K-Spec Enhanced Bolt Carrier, Black

Style: Billet
Finish: Black
$99
Currently Unavailable
KAK AR15 BCG M16 556 K-SPEC FDE DE

KAK Industry

KAK AR15 BCG M16 556 K-SPEC FDE DE

Cartridge: 5.56 NATO
$216
Currently Unavailable
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Bolt Carrier Group: most added in August 2026

The bolt carrier group parts builders added most in August 2026, ranked from every build on GunPartPicker.

  1. 1.Bravo Company M16 Bolt Carrier Group BlackBravo Company
  2. 2.Aero Precision AR-15 5.56 BCG W/C158 Bolt - Aero Logo - PhosphateAero Precision
  3. 3.Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic BronzeCryptic Coatings
  4. 4.Wilson Combat M16 Bolt Carrier Assy 5.56 NATO Polished Black NitrideWilson Combat
  5. 5.FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVDFaxon Firearms

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Prices checked · refreshed daily across 35 retailers