This is a Amend2 Magazine chambered in 223 Remington, model AM10556MOD2BLK20.
The Amend2 20-round magazine is a sturdy" reliable AR15/M4/M16 magazine made of advanced polymer material. It is light" durable and an excellent alternative to the standard M4/M16 USGI aluminum magazines. The 20 round body profile is ideal for added maneuverability and weapon handling.
Features:
Anti-Tilt Super Follower
Made in the USA
Heavy Duty Stainless Steel Spring
Impact Resistant Polymer