5.56 has been the go-to caliber choice for AR 15 owners both new and seasoned. A range of loadings for 5.56x45mm and .223 Rem have made 5.56mm chambered rifles like this RESOLUTE a no brainer choice for hunting, home defense and target shooting. Features EML handguard, full length M-LOK slots on both sides and the bottom of the handguard as well as M-LOK between the top picatinny rail sections; ZEROED parts including: drop-in trigger, pistol grip, trigger guard, 60/90 degree ambi safety, ambi charging handle, ambi mag catch, extended mag release button, bolt catch, polymer dust cover and muzzle brake. Includes Magpul 30rd PMAG.