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CMMG AR-15 .22 LR Stainless Steel Conversion Kit + One 25 Round Magazine – Bravo Series

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Spend a day at the range without spending a fortune!

The CMMG Stainless Steel 22LR Conversion Kit with 1 Magazine.

This CMMG .22LR conversion kit allows the use of inexpensive .22LR caliber rim-fire ammo in your AR15. You can install this in 30 seconds, but just removing the standard bolt/carrier group from your AR and replacing with the the included .22 bolt device.

This unit is blow-back operated and allows semi-automatic firing.

The CMMG .22LR magazines have a bolt hold-open follower. This kit includes a gray-colored 25-round magazine.

Use with AR’s chambered in 5.56/.223 only. Compatible with piston-systems.

Frequently asked questions:

Q: Does this kit work with a .223/5.56 AR-15?

A: Yes! The barrel for a .223/5.56 is very close in size to a .22lr barrel – 3/1000″ larger. This kit allows for shooting of a .22LR from a standard AR-15 upper. A dedicated .22LR upper can also be used, and it will typically increase accuracy somewhat. Most users report that this kit results in 3-4 MOA accuracy (1.5″-2″ groups at 50 yards) with a .223/5.56 upper. Generally, the slower the twist rate on your AR-15 barrel, the better the accuracy with a 22LR round.

Q: Can this kit be used with a dedicated .22LR upper?

A: This kit can be used with a dedicated CMMG .22LR barrel, but you’ll need to purchase this part, and swap out the collar on the bolt – this will convert it to a dedicated .22LR bolt.

Includes:

  • CMMG .22LR bolt carrier group assembly (stainless steel for superior durability)
  • One 25-Round .22LR Magazine (fits in AR mag well)

Here’s a video that shows how easy the kit is to install!

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Customer Reviews

Based on 10 reviews
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L
L.B.
Great Drop-in Product

Simple Install and easy to take apart to clean. Make sure you use high velocity solid copper tipped rounds (what the package recommends anyway) if you use a standard .223/5.56 charging handle. I used some 36 grain brass plated hollow points and every other round wouldn't extract or get the bullet bent on the feed ramp and not load properly. Actually found one miss-fed bullet down in the milspec trigger i had once I finished a range day. I think they make a specific charging handle that is flat since this conversion BCG doesn't have any mass where the gas key should be on a 5.56 BCG. Flawless otherwise with 40 grain FMJ high velocity.

Definitely worth the cost and beats any other price around. Just wish mine came with a grey mag but was shipped with a black one. No problem for me though. Its pretty fun to just plink away and not feel my wallet hurt as much.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!
G
G.
Great Idea

Fit and finish are very good and the mag seems to be built well enough. Only fired a few rounds so far but it worked flawlessly.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!
M
M.K.

Two days after I got the package with my conversion adapter I had about 6 large crows land in a tree in my yard about 40 yards away. I had to do it..... Got the Bushmaster AR out and pulled out the bold, put the converter in and put two 22 subsonic hollow point rounds in the magazine. (other houses near by.. gotta be quiet)
I have a 3x9 40 Nikon scope zero'd for about 30 yards and that was about the distance to the Crow. Blew him out of the tree on first shot. I wasn't sure if the scope would still be accurate with the 22 having set it up with a 5.56 round. The converter worked perfect and although subsonic, the 22 long rifle reset the hammer and rechambered the next round. Very happy with the adaptor. Works perfectly and sure beats spending 60 cents or more for a single 5.56 (223) round. Glad I bought an extra magazine with it. Also bought the vice block for the rifle. Really helps holding it for cleaning. Highly recommend both items!

Thanks for your feedback, Michael. We're glad you're satisfied with your purchase - AB
A
A.H.
Fast Shipping Great Price Quality Item!

Cheapest price I've found online. Shipping is extremely fast. I would definitely do business here again.

Ari, thank you for the review! We’re glad you're satisfied with the product, can’t wait to have you back. - AB
E
E.H.
Works Exactly As Designed

Works great, slides right in after you take out your .223/5.56 BCG and you can fire away. I heard getting a .22LR barrel will improve accuracy drastically, I might do that.

We are happy to hear everything is working to your expectations.