Description
Easily convert your CMMG 5.7x28mm Upper Receiver Group into a .22LR in seconds! The new Mk57 .22LR Conversion Kit is simple to use. Just remove the existing CMMG bolt carrier group from your 5.7×28 upper and replace it with the drop-in conversion. Pair the upper with any Mil-Spec AR15/Mk4 lower receiver and then use the included magazine to safely shoot .22LR. Its a great way to get in more trigger time while saving money on ammo. This conversion kit is designed for use with all CMMG Mk57 5.7x28mm upper receiver groups and bolt/barrel combinations when paired with an AR15 Lower. Not compatible with Mk57 Lower Groups.
Designed for use just like our standard Action Tuning Kit, the LAW Compatible kit has shorter weights that allow for the tuning kit to be used in conjunction with LAW Tactical Folding Adapters.Whether you want the smoothest shooting carbine possible or are looking for added reliability while shooting hotter loads or suppressors, CMMGs Action Tuning Kit gives you the added flexibility to make your CMMG perform exactly how you like it. This optional Action Tuning Kit allows you to adjust the action to your preference much like changing buffers or changing gas port settings on an adjustable gas block.Small, Medium, and Large weights allow for you to test and find the right weight for your setup. There is no universal answer for which works best. Barrel length, ammo selection, and suppressed or not play a large role in determining your weight.
Currently can be used in any of our Radial Delayed Blowback platforms, as well as Mk47 and MkW-15s that have the .250″ roll pin hole on the tail of the carrier.
Specifications for CMMG, Inc 22LR AR Conversion Kit, Mk57, w/ 3 Magazines, 10rd:
| Manufacturer: | CMMG |
| Color: | Black |
| Fabric/Material: | Stainless Steel |
| Magazine Capacity: | 10 Round |
| Included Accessories: | 3 Magazines |
| Condition: | New |
| Cartridge: | .22 Long Rifle |
| Magazine Included: | Yes |
Features of CMMG, Inc 22LR AR Conversion Kit, Mk57, w/ 3 Magazines, 10rd
- Stainless Steel Construction
- Compatible with all CMMG MK57 Uppers
- Magazine Fits in Mil-Spec AR15/MK4 lowers
- Simple Installation No Tools Required
Package Contents:
- CMMG, Inc 22LR AR Conversion Kit, Mk57, w/ 3 Magazines, 10r
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