31742 View cart “Knights Armament Company SR-30 Lower Receiver Assembly, AR-15 300 Blackout, Black Finish” has been added to your cart. 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.$869.66Current price is: $869.66. Add to cart