Search results for 'USGI'

USGI "Curved Body" Magblock 5/20 (5 Round Magazine Capacity Limiter) .223/5.56mm and .300BLK

- Fits USGI 20 round "Curved body" magazines made by C-Products and ACS.
- This block will attach to the bottom of the spring.
- Will convert a 20 round magazine to hold only 5 rounds.
- 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. 
- Works with .223, 5.56mm, and .300BLK