ASC 6.5 Grendel USGI Magblock 5/25 (5 Round Magazine Capacity Limiter)

- Fits USGI 25 round magazines made by ASC 6.5 Grendel. 
- This block will attach to the bottom of the spring.
- Will convert a 25 round (6.5 Grendel) magazine to hold only 5 rounds for hunting.
- Magazines can be loaded with the bolt closed in most rifles. Fitting may be required in some cases.
- Does not affect reliability.
- No increase in spring pressure. 
-Installs at the base of the magazine.