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Details
Colt USGI 10/20 MCL
For use in ONLY Colt 20 round magazines. This block will attach to the bottom of the spring and convert 20 round magazines to hold only 10 rounds. These are for COLT STRAIGHT USGI magazines only and use a modified 10/20 USGI block which has been trimmed and an adapter plate plastic welded on. Requires no magazine modifications.
Additional Information
Custom design | No |
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