Rifle Ruger AR 556 MPR 5.56×45mm

Cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling
Twist - 1:8 RH
Caliber - 5.56x45mm
Aerospace-grade 7075-T6 aluminum forging
Handguard - M-Lok 15’’ (Free float)
Handle - Magpul
Ruger® Elite 452® AR-Trigger 
Magazine capacity - 10