Magblock 10/30 MCL (Magazine Capacity Limiter) for Magpul 30 round 6.8 mm "Six8" Pmags for LWRC.

- This block will replace the lower spring attachment point  or locking plate and convert a 30 round magazine to hold only 10 rounds.

- Includes a spacer for the proper height in the 6.8 mm magazine.

- Does not affect reliability.

- No increase in spring pressure. 

- *Compatible with Pmag 6.8 mm Magazines Only