CMMG claims that no other magazine offers greater performance under extreme conditions. It has their new stainless steel anti-tilt follower which features superb stability, minimal drag and unmatched durability.
The new CMMG braided wire spring gives 40% additional pressure over standard USGI springs. A nano-ceramic plated braided wire spring protects for over 400+ hours against salt sea spray.
Read the full review here.