Armalite AR-10A4 National Match .308/7.62 NATO 20 Inch Match Barrel Extended Elevation National Match Sights Black Finish 20 Round

Triple lapped AISI 416R stainless steel match barrel threaded 5/8 - 24 TPI. 1:10 inch twist 168-185 (will stabilize 200 grain ammo). Stainless steel flash suppressor. 1913 free float rail handguard. Picatinny rail gas block front sight base. Extended elevation NM sights installed into detachable sight bases. Forged flat top 7175-T74 aluminum upper receiver with Picatinny rail and forward assist. Forged 7175-T73 aluminum lower receiver. National Match two stage trigger - 1st stage 2.5 pounds - 2nd stage 4.5-5 pounds. Overall Length: 41.25 Inches. Weight: Base rifle 11 pounds. Accuracy: 1 inch MOA. Included with rifle: two 20 round magazines, black case, owners manual and limited lifetime warranty, AR10 National Match carry handle, USMC Quick Adjust Sling, sling swivel mount.