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CMMG Firing Pin Retainer
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

Firing Pin Retainer

$0.95
Available California compliant

CMMG Firing Pin Retainer, Fits M16/AR15, Silver 55BA4C5

Key Details
Brand CMMG
Manufacturer Part Number 55BA4C5
UPC 815835017341
SKU CMMG55BA4C5
Current Stock 1521 available
Quantity Updated Apr 15, 2026 6:05 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

Since 2002 CMMG has been the leading manufacturer of AR-15 rifles, AR-10 rifles, and trailblazing AR technologies. CMMG offers premium AR-15 and AR-10 rifles, parts, and accessories.

Features
  • Firing Pin Retainer
  • Steel
  • Fits AR-15
Specifications
UPC: 815835017341
Manufacturer: CMMG
Manufacturer Part #: 55BA4C5
Model: Firing Pin Retainer