10 Round Limiter for 30 Round THRIL PMX Magazines

Magblock 10/30 MCL (Magazine Capacity Limiter) for THRIL PMX 30 round in .223/5.56mm. 

- This block will allow you to use the factory locking plate and convert a 30 round magazine to hold only 10 rounds.

- Does not affect reliability.

- No increase in spring pressure.