BT91700 Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKRock River Arms R9 Competition AR-15 9mm 16″ Barrel W/Mini Brake, 2 Stage Trigger, Glock Type Magazine $1,433.29 Original price was: $1,433.29.$902.97Current price is: $902.97. Add to cart