ARPartsFinder In-stock AR-15 & AR-10 parts across every retailer. We find them, you buy direct.

🔧 Build #1 (0)

Expo Arms 5.56 AR-15 Bolt Carrier Group - Chrome

Expo Arms 5.56 AR-15 Bolt Carrier Group - Chrome

Primary Arms · BCGs & Parts

$149.95 In stock

Buy at Primary Arms

Current: $149.95
Lowest seen: $149.95
Highest seen: $149.95

Tracked since May 19, 2026 · price unchanged so far.

Price history · the price at each change, across the full time tracked

Compare prices · the same part at other retailers we track (this one: $149.95)

Confident matches

None

Possible matches

BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP

BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP

BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP

Brownells

$128.99

$20.96 less

Buy at Brownells

Phase 5 Complete Bolt Carrier Group for M16/M4 Rifle, Chrome Lined Phosphate Black - BCGM16

Phase 5 Complete Bolt Carrier Group for M16/M4 Rifle, Chrome Lined Phosphate Black - BCGM16

Phase 5 Complete Bolt Carrier Group for M16/M4 Rifle, Chrome Lined Phosphate Black - BCGM16

Palmetto State Armory

$150.99

$1.04 more

Buy at Palmetto State Armory

KAK AR15 BCG- 5.56/300 Blackout, Chrome Lined Phosphate, OEM

KAK AR15 BCG- 5.56/300 Blackout, Chrome Lined Phosphate, OEM

KAK AR15 BCG- 5.56/300 Blackout, Chrome Lined Phosphate, OEM

KAK Industry

$99.95

$50.00 less

Buy at KAK Industry

Centurion Arms V2 5.56 Bolt - Chrome

Centurion Arms V2 5.56 Bolt - Chrome

Centurion Arms V2 5.56 Bolt - Chrome

Weapon Outfitters

$125.00

$24.95 less

Buy at Weapon Outfitters

KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector - Chrome FInish

KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector - Chrome FInish

KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector - Chrome FInish

Bauer Precision

$112.49

$37.46 less

Buy at Bauer Precision

We match by product title, so "possible" matches may be a close variant. Always confirm the exact item on the retailer's page before buying.