Gun Parts | Lower Receiver Parts & Trigger KitsCmmgSold by Sportsmans Guide

Cmmg

CMMG 22LR AR Conversion Kit Bravo (3) 10-rd. FDE Magazines

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Converts 5.56/.223-chambered

AR-15 to .22LR use

Works Direct

Direct impingement AR-15s with any

Installs Swapping

Out the existing bolt carrier

Includes Three

10-round magazines

Magazines Feature

Bolt hold open followers

$139.99
List Price: $239.95
You Save: $99.96 (42%)
View on Sportsmans Guide

You'll be taken to Sportsmans Guide to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: WX2*0748219

Overview

This conversion kit is designed for shooters who want to run a 5.56/.223 AR-15 with .22LR ammunition for lower-cost practice and range time. It replaces the rifle’s existing bolt carrier group and is intended for direct impingement AR-15s with any length gas system, making it a straightforward option for traditional AR setups. The package includes three 10-round magazines with bolt hold open followers, adding convenience for training sessions and casual plinking. For best performance, it is specified for use with a round-style hammer and 36-grain bullets.

Why Hunters Choose the Cmmg

Converts 5.56/.223

AR-15 to .22LR for lower-cost

Works Direct

Direct impingement AR-15s using any

Simple Bolt

Carrier group swap keeps the

Includes Three

Bolt hold open followers

All-stainless Steel

Construction is specified in the

Key Features

  • Converts a 5.56/.223-chambered AR-15 to .22LR use.
  • Works with direct impingement AR-15s with any length gas system.
  • Installs by swapping out the existing bolt carrier group.
  • Includes three 10-round magazines.
  • Magazines feature bolt hold open followers.
  • All-stainless steel construction.

Best Used For

  • AR-15 owners wanting inexpensive .22LR practice with a direct impingement rifle
  • Shooters with traditional AR-15s seeking a simple bolt carrier group swap
  • Users who prefer included 10-round magazines for range sessions and compliance needs
  • Hunters and enthusiasts wanting low-cost trigger time with a familiar AR platform
  • Owners using round-style hammers and 36-grain bullets for best stated performance

Specifications

Caliber.22LR
Compatible Chambering5.56/.223
Compatible PlatformAR-15
Conversion TypeAR-15 bolt carrier group conversion kit
Follower TypeBolt hold open followers
Gas System CompatibilityAny length gas system
Hammer RecommendationRound-style hammer
Magazine Capacity10 rounds
Magazine ColorFDE
Magazine Count3
MaterialAll-stainless steel
Operating SystemDirect impingement
Recommended Bullet Weight36-grain

Pros

  • Converts a 5.56/.223 AR-15 to .22LR for lower-cost shooting
  • Works with direct impingement AR-15s using any gas system length
  • Simple bolt carrier group swap keeps the conversion straightforward
  • Includes three 10-round magazines with bolt hold open followers
  • All-stainless steel construction is specified in the product details
  • Best performance note recommends a round-style hammer and 36-grain bullets

Considerations & Trade-offs

  • Designed for direct impingement AR-15s, so it is not a universal .22LR solution for every AR-style platform.
  • For best performance, it calls for a round-style hammer and 36-grain bullets, which narrows ammunition and setup flexibility.
  • The included magazines are 10-round capacity, which may be limiting depending on your intended use and local regulations.
  • This is a conversion kit, so it requires swapping out the existing bolt carrier group rather than functioning as a standalone rifle setup.

Suggested Comparisons

  • AR-15 .22LR conversion kits
  • AR-15 rimfire magazines
  • AR-15 training and plinking accessories
  • Direct impingement AR-15 accessories

Suggested Accessories

  • AR-15 cleaning kit
  • .22 LR ammunition
  • Range bag
  • Magazine loader

Frequently Asked Questions

What type of AR-15 is this conversion kit designed for?

It is made for direct impingement AR-15s chambered in 5.56/.223, and the product data says it works with any length gas system.

What do I need to change on my rifle to use this kit?

The description says to simply swap out your AR-15’s existing bolt carrier group for the conversion kit.

How many magazines are included?

The kit includes 3 magazines.

What magazine capacity comes with the kit?

The included magazines are 10-round magazines.

Are there any setup notes for best performance?

Yes. The product data says best performance is with a round-style hammer and 36-grain bullets.