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**8-10-2023 UPDATE**
**Uploaded a new version with a spring stop and seat to make installing the spring much easier.**
This is a replacement magazine for CMMG 22 bcg based builds with (hopefully) improved feed lip geometry. It also includes a bolt catch lifter in the design. Hardware is 4-40 screws/nuts though M3 may work fine as well. Uses the same spring as the CMMG. Not sure how many rounds it will hold. This is my first pass at the design and it is thus far untested.
I noticed with my CMMG mag that the extruded cut for the spring through the feed lips allowed the round to move from side to side and at times the nose of the round would hit the breech next to the chamber opening. This design keeps a closer fit to the round as it is stripped from the magazine to better guide it into place.
I think the mag geometry should be pretty close to where it needs to be but the follower angle might need to change along with the follower stop in the magazine to avoid overloading and over compressing the spring.
LBRY Tags: ar22; cmmg; magazine; mag; ar15
**Uploaded a new version with a spring stop and seat to make installing the spring much easier.**
This is a replacement magazine for CMMG 22 bcg based builds with (hopefully) improved feed lip geometry. It also includes a bolt catch lifter in the design. Hardware is 4-40 screws/nuts though M3 may work fine as well. Uses the same spring as the CMMG. Not sure how many rounds it will hold. This is my first pass at the design and it is thus far untested.
I noticed with my CMMG mag that the extruded cut for the spring through the feed lips allowed the round to move from side to side and at times the nose of the round would hit the breech next to the chamber opening. This design keeps a closer fit to the round as it is stripped from the magazine to better guide it into place.
I think the mag geometry should be pretty close to where it needs to be but the follower angle might need to change along with the follower stop in the magazine to avoid overloading and over compressing the spring.
LBRY Tags: ar22; cmmg; magazine; mag; ar15