20" 1:10 Socom barrel, .875" Gas block, Yankee Hill Machine comp/muzzle brake, Slick side upper, CMMG LPK, Luth-AR rifle length buffer system 5.34oz, Luth-AR MBA-1 stock, Primary Arms scope mount, Sig Sauer Whiskey 4-12X40 Hellfire optic, 6"-9" 1913 Bipod. I have shot to 600 yards and am happy with the groups.
