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CMMG CMMG55BA419
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

CMMG

$174.95
Available California compliant

CMMG Bolt Carrier Group M16, 5.56 NATO, Black 55BA419

Key Details
Brand CMMG
Manufacturer Part Number 55BA419
UPC 852005002431
SKU CMMG55BA419
Current Stock 29 available
Quantity Updated Apr 15, 2026 12:15 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

Complete Mil Spec M16 bolt carrier group.

Features
  • 8620 Steel Carrier
  • Phosphate Finish
  • 9310 Steel Bolt
Specifications
UPC: 852005002431
Manufacturer: CMMG
Manufacturer Part #: 55BA419
Type: Bolt Carrier Group