463 in stock
MagBlock PMAG 20 MCL 10/20 [10 round Limiter]
Magblock 10/20 MCL (Magazine Capacity Limiter) for Magpul 20 round Pmags in .223/5.56mm Gen M2 Only.
– This block will replace the lower spring attachment point or locking plate and convert a 20 round magazine to hold only 10 rounds.
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