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CMMG 22LR M4 Profiled Barrel and Collar Kit 22D7C4A Color: Black, Finish: Salt Bath Nitride, 13% Off w/ Free Shipping

CMMG, Inc Barrel And Collar Kit, 22LR, 16in CM, M4, SS, Collar, 22D7C4A
CMMG, Inc Barrel And Collar Kit, 22LR, 16in CM, M4, SS, Collar, 22D7C4A
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CMMG, Inc Barrel And Collar Kit, 22LR, 16in CM, M4, SS, Collar, 22D7C4A

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Questions & Answers
Handguards? With the M4 profile does that mean the standard AR-15 handguards will work? Expert Answer

The CMMG 22LR M4 Profiled Barrel and Collar Kit will work with a standard AR15 handguards depending on what upper receiver you are using.

by Hunter, Gear Expert, September 1, 2022
Does it run cleaner than the regular conversion kit on a 5.56 barrel? Can you answer this question?
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
CMMG 22LR M4 Barrel and Collar kit. by Dave, December 24, 2022
I am more than pleased with this combo. I made one of my ar uppers into a designated 22lr, very nice. Reliable, and better yet, she shoots about 1" to 1.5 at 100yds with CCi standard! Not bad. Definitely recommend. Thanks, Dave
2/2 found this helpful
Helpful Positive Review
CMMG, Inc 16.1 inch .22 LR M4 Profiled Barrel and Collar Kit by Pistol Pete, May 19, 2020
This is the perfect kit for your dedicated AR-22 build. The CMMMG 22LR Bravo conversion kit I purchased came with the .223 insert cartridge. When I decided to build a dedicated 22 upper the CMMG Barrel with the collar were a perfect fitment. The resu...
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1/1 found this helpful
Helpful Negative Review
zero stars. completely inaccurate at 25 yards. by joe, Verified Owner, April 16, 2023
This barrel was so inaccurate it was almost impressive. I torqued the barrel nut to milspec and tried multiple reliable optics, but at 25 yards my shots bounced around from 2" off to 6" off up and down and left to right. You literally couldn't hit t...
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2/5 found this helpful
Most Recent Reviews
The barrel was too short by Jake De Muss, July 20, 2025
The advertised 16.1" barrel length was deceiving. The 16.1" length was measured from the tip to tip with about 1.5" of the barrel inside the upper receiver, so the 15.5" hand guard that I purchased for it was too short. The barrel and thread didn't...
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0/1 found this helpful
Most Recent Reviews
Not too short by DiverRon, February 19, 2026
It's not too short it's an m4 profile that' 14.5" so if an 1.5" of a 16.1" barrel it's inside of receiver the barrel 14.5" long
Most Recent Reviews
Easy to install and works great by Wesley S, Verified Owner, March 4, 2025
Converted my CMMG 22lr kit to a dedicated upper and this was a quick and easy to install barrel and collar that has helped to make that happen.
Read All 12 Reviews
Color:
Black
Finish:
Salt Bath Nitride
Caliber:
.22 Long Rifle
Barrel Length:
16.1 in
Barrel Profile:
M4
Gas System Length:
Carbine Length
Gas Block Journal Size-Diameter:
.750 in
Barrel Twist Rate:
1-16
Flutes:
No
Gun Make:
AR Platform
Gun Model:
AR-15
Weight:
1.6 lb
Condition:
New
Firearms Threads Per Inch:
1/2x28

Code: 2CM-ATB-CMMG22D7C4A-22D7C4A

MPN: 22D7C4A

UPC: 815835014944

List: $249.95Save 13%
$216.49

Product Info for CMMG 22LR M4 Profiled Barrel and Collar Kit

Perfect for building your custom dedicated 22LR AR15 upper group. Also Includes barrel collar to replace the chamber adaptor on your 22ARC.image

Features of CMMG, Inc Barrel And Collar Kit, 22lr, 16inch Cm, M4, Ss Collar:

  • 16.1"
  • M4 Profile
  • 4140 Chrome Moly
  • Salt Bath Nitride Finish inside and out
  • 1:16 Twist
  • 22LR Sporting Chamber
  • Threaded 1/2-28
  • .750" Carbine length Journal

Package Contents:

  • CMMG, Inc Barrel And Collar Kit, 22lr, 16inch Cm, M4, Ss Collar
WARNING: California`s Proposition 65

Specifications for CMMG 22LR M4 Profiled Barrel and Collar Kit:

Manufacturer: CMMG
Color: Black
Finish: Salt Bath Nitride
Fabric/Material: 4140 Chrome-Moly Steel
Caliber: .22 Long Rifle
Barrel Length: 16.1 in
Barrel Profile: M4
Gas System Length: Carbine Length
Gas Block Journal Size-Diameter: .750 in
Barrel Twist Rate: 1-16
Flutes: No
Gun Make: AR Platform
Gun Model: AR-15
Weight: 1.6 lb
Condition: New
Firearms Threads Per Inch: 1/2x28

Package Contents:

  • CMMG 22LR M4 Profiled Barrel and Collar Kit

CMMG 22LR M4 Profiled Barrel and Collar Kit Orderable Models

List of Orderable Models

  • CMMG Barrel and Collar Kit, M4 Profile, 22LR, 16.1in, 4140CM, SBN Finish, Black, 22D7C4A , MPN: 22D7C4A , UPC: 815835014944 , Code: 2CM-ATB-CMMG22D7C4A-22D7C4A

CMMG 22LR M4 Profiled Barrel and Collar Kit Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, CMMG, Inc Barrel and Collar Kit, M4 Profile, Profile, 22LR, 16.1in, 4140CM, SBN Finish, Black, 22D7C4A-DEMO , MPN: 22D7C4A-DEMO , Code: 2CM-ATB-CMMG22D7C4A-DEMO
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Last updated 2026-05-15 UTC.