FEATURES -5.56x45mm / .223 Rem. -Translucent Clear -20 round capacity -Polymer body with aggressive surface texture -One piece, wrap-around steel feed lip assembly
Designed to work in: -M4/M16/AR -SCAR16 -HK416 -ARX160 -SIG556 -ARC -SA80
Other Features: Made in usa, fits m4/m16/ar15, hk416, arx160, scar 16, sig 556 etc, translucent-see through hardened steel feed lips with a polymer body