GENERAL CHARACTERISTICS ITEM DESCRIPTION | SIZE,5.56MM,20.358 IN. O/A LG,6 GROOVES,GROOVE WIDTH 0.074 IN.MIN,0.078 IN. MAX,LAND WIDTH 0.039 IN.,RIFLING,RIGHT HAND TWIST,1 TURNIN 52.281 CALIBERS,C/O BARREL P/N 8448549,BARREL EXTENSION P/N 8448550,FRONT SIGHT P/N 8448566,FRONT SIGHT POST P/N 8448572,FRONT SIGHT DETENTP/N 8448573,FRONT SIGHT DETENT SPRING P/N 8448574,PIN P/N 8448575,FRONTSLING SWIVEL P/N 8448571,RIVET P/N 8448697,NUT P/N 8448553,PIN P/N8448551 AND HANDGUARD P/N 8448564 |