CMMG MK3 Receiver Extension and Stock Kit .308 Win Platform 6-Position

Bundle Package

by Cmmg

CMMG MK3 Receiver Extension and Stock Kit .308 Win Platform 6-Position

User Ratings

No ratings yet

Be the first to review this product

Retail: $101.70

CMMG MK3 Receiver Extension and Stock Kit (6-Position)

Convert a .308 Win platform firearm to a proper CMMG MK3 platform using this receiver extension and A3 pistol grip stock kit.

Key Features

  • Works in either direction
  • Receiver extension includes two QD flush cups on either side for mounting the included A3 pistol grip and AR-15 style buttstock
  • Buttstock constructed of injected-molded, high-strength polymer
  • Full-length, adjustable cheek-piece and polymer extension stubby tube for customizing the MK3 look

Compatibility Notes

  • Works on any .308 Win platform firearm, but may require slight fitment behind a .308 Win barrel
  • Magazine extensions will NOT fit .308 Win barrels (verify manufacturer recommendations for proper fitment)

Package Contents

  • CMMG MK3 Receiver Extension and Stock Kit
  • 6-position M4 Buttstock
  • CMMG 6-position mil-spec Receiver Extension (Buffer Tube)
  • Buffer Tube Castle Nut
  • Receiver Endplate
  • .308 Carbine Buffer
  • .308 Carbine Action Spring

Specifications

Manufacturer:
Cmmg
Category:
stock-brace
Platforms:
AR-10
Weight:
32 oz (2.00 lbs)
Length:
15.0"
UPC:
815835016573
MPN:
38CA964
Required Component:
Yes

Parts Cabinet

Track parts you own or plan to buy.

Where to Buy

BattleHawk Armory
In Stock
$92.14
Optics Planet
In Stock
$114.49
Shooting Surplus
In Stock
$101.70

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

$92.14

Lowest

$91.65

Highest

$122.79

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

What's Included in this Bundle

Buffer Tube
CMMG 6-position mil-spec Receiver Extension (Buffer Tube)
included in kit
Miscellaneous Parts
Buffer Tube Castle Nut
included in kit
Miscellaneous Parts
Receiver Endplate
included in kit
Buffer
.308 Carbine Buffer
included in kit
Buffer Spring
.308 Carbine Action Spring
included in kit
Buffer Tube
CMMG MK3 Receiver Extension and Stock Kit (CMMG MK3 receiver extension component)
kit includes receiver extension/buffer tube assembly with QD flush cups

Builds Using This Part

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

Submit a Review

Reviews

Loading reviews…