CMMG Mk3 DPMS Pattern .308 Winchester Bolt Carrier Group Chrome-Lined 8620 Steel Phosphate

by Cmmg

CMMG Mk3 DPMS Pattern .308 Winchester Bolt Carrier Group Chrome-Lined 8620 Steel Phosphate

User Ratings

No ratings yet

Be the first to review this product

Retail: $324.95

The CMMG Mk3 bolt carrier group is a complete .308 Winchester/7.62x51mm NATO BCG engineered for Mk3/DPMS-pattern large-frame rifles. Built with durable steel components and finished in black phosphate, it features a chrome-lined carrier to support smooth cycling and long-term wear resistance in hard-use range or duty setups.

Product Highlights:

  • Complete Mk3 / DPMS-pattern .308 bolt carrier group assembly for large-frame AR platforms
  • Black phosphate exterior finish for corrosion resistance and reduced glare
  • Chrome-lined carrier to enhance durability and ease of cleaning
  • 8620 steel carrier with 9310 steel bolt and S7 tool steel extractor (per published specs)
  • Designed for .308 Winchester / 7.62x51mm NATO rifles such as the CMMG Mk3

Specs:

  • Brand: CMMG
  • Manufacturer Part Number: 38BA423
  • UPC: 815835012483
  • Caliber/Chamber Compatibility: .308 Winchester / 7.62x51mm NATO
  • Platform Compatibility: CMMG Mk3; DPMS-pattern large-frame (AR-10/LR-308 pattern)
  • Finish: Phosphate (Black)
  • Carrier: 8620 steel, chrome-lined
  • Bolt: 9310 steel
  • Extractor: S7 tool steel

Specifications

Manufacturer:
Cmmg
Category:
bolt-carrier-group
Platforms:
AR-10
UPC:
8228911972474
MPN:
38BA423
Required Component:
Yes

Parts Cabinet

Track parts you own or plan to buy.

Where to Buy

TLO Outdoors
In Stock
$276.98

Sponsored

MantisX

The smart way to train your AR build

Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.

Shop BlackBeardX

Price History

Current

$276.98

Lowest

$276.98

Highest

$297.98

Tap data points for details

Price Alert

Sign in to save a target price and receive an email when this component drops.

Sign In to Set Alert

Builds Using This Part

No builds yet — be the first to use this part.

Submit a Review

Reviews

Loading reviews…