31742 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 STOCKKnights Armament Company SR-30 Lower Receiver Assembly, AR-15 300 Blackout, Black Finish $966.29 Original price was: $966.29.$608.76Current price is: $608.76. Add to cart