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Details
PROMAG Mini 30 Magblock 10/20 Magazine Capacity Limiter for Promag Ruger Brand Magazines.
This block is for use in Promag Ruger 20 round Mini 30 magazines. These blocks will attach to the lower spring and convert a 30 round magazine to hold 10 rounds.
*Only for use factory Promag Ruger Mini 30 magazines pictured below.
-Block is designed for the polymer magazine, and won't work for the steel magazine.
Additional Information
Custom design | No |
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