RIFLE: ARMALITE MODEL SPR MOD-1, SERIAL NUMBER M10-04431, BLACK (MATTE), CASE NOT INCLUDED, 18, 5.56 NATO, SEMI - AUTOMATIC Notes: ARMALITE SPR MOD-1 RIFLE CHAMBERED IN 5.56 NATO. BARREL IS 17.5 INCHES WITH A TWSIT RATE OF 1:7. RIFLE FEATURES A FIXED FRONT IRON SIGHT, POP UP REAR IRON SIGHT, AS WELL AS A ADJUSTABLE STOCK GUN IS PRE OWNED WITH LITTLE TO NO WEAR. ALL PICTURES PROVIDED ARE THE BEST STATEMENT OF CONDITION, PLEASE REVIEW OVER THEM CAREFULLY BEFORE PURCHASING.