Quick view Out of Stock Remove from Compare Compare Items HK: Upper Receiver Kit, MR556A4, 16.5" $2,179.00 HK Out of Stock
Quick view Out of Stock Remove from Compare Compare Items HK: Upper Receiver Kit, MR556A4, 11.0" $2,179.00 HK Out of Stock
Quick view Out of Stock Remove from Compare Compare Items Sons of Liberty: L89, Upper, 5.56mm, 11.5" $950.00 Sons of Liberty Gun Works Out of Stock
Quick view Out of Stock Remove from Compare Compare Items Geissele: Super Duty® MOD1, Complete Upper, 5.56mm, 14.5" $1,325.00 Geissele Out of Stock
Quick view Add to Cart Remove from Compare Compare Items HK: Upper Receiver Kit, MR762 A4, 7.62x51mm, 16.5" $2,649.00 HK In Stock
Quick view Out of Stock Remove from Compare Compare Items Geissele: URG-I, Complete Upper, Near Clone, 5.56mm, 14.5" $1,525.00 Geissele Out of Stock
Quick view Out of Stock Remove from Compare Compare Items HK: Upper Receiver Kit, MR762 A4, 7.62x51mm, 13" $2,649.00 HK Out of Stock
Quick view Add to Cart Remove from Compare Compare Items Daniel Defense: DD4™ RIII™ S, Upper Receiver Group, 5.56mm NATO, 11.5" $1,454.00 Daniel Defense In Stock
Quick view Add to Cart Remove from Compare Compare Items Daniel Defense: MK18, Upper Receiver Group, 5.56mm NATO, 10.3" $1,454.00 Daniel Defense In Stock
Quick view Out of Stock Remove from Compare Compare Items Geissele: Super Duty® MOD1, Complete Upper, 5.56mm, 13.9" $1,325.00 Geissele Out of Stock
