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CMMG AR-15 ZEROED Gunbuilder's Lower Parts Kit 55CA6BA Gun Make: AR Platform, Gun Model: AR-15, w/ Free S&H
CMMG does not specify the materials for each individual part included in their AR-15 ZEROED Gunbuilder's Lower Parts Kit. However, they do state that all parts will meet or exceed mil-spec.
Great lit if you have a drop in trigger and grip, if using the cmmg lower grab the trigger guard too. Ambidextrous safety is a plus too since living in California I have to use the right side of the safety and actuate it with my finger.
Trigger pins are .1525, too small for any standard small pin lower, the kit overall is a little cheesy, but I wouldn’t have minded if the pins would have been the right size at least.
I really, really do like this lower parts kit from CMMG. As someone who's built a few lowers, this is probably the most straightforward and well-organized kit I've ever used. Everything you need is right there, sorted nicely, and the quality of all t...
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I have used this kit on a ton of builds but recently they switched out the double paddle type to the stock bolt catch without updating the picture. It's still a good kit but the description should clearly stated that the picture is not correct. OEM b...
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Product Info for CMMG AR-15 ZEROED Gunbuilder's Lower Parts Kit
Customization is endless with the AR15 platform, which is why the CMMG ZEROED Mk4/AR15 Gunbuilders Kit includes all of the essential parts except the most commonly upgraded ones: Trigger Guard, Fire Control Group, and Pistol Grip. Check out our interactive install walkthrough video below or read the CMMG Resources LPK Install article for an in-depth breakdown. All parts meet or exceed mil-spec.
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