1911,Rock Island-Armscor,51443,45 ACP 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 Island Rock Standard MS Single 45 ACP 4.25″ Barrel, Black Rubber Grip Bl, 8rd $477.69 Original price was: $477.69.$429.92Current price is: $429.92. Add to cart