Additional Service: Full Auto Upper Relief Cut Machining$14900 SKU: 416UPRCUT-1 Category: hide-from-search Product ID: 7497 For making your semi-auto upper compatible with post sample and transferable machinegun lowers. Additional Service: Full Auto Upper Relief Cut Machining quantity Add to cart Description Additional information Description For making your semi-auto upper compatible with post sample and transferable machinegun lowers. Additional information Weight 16 oz Dimensions 8 × 23 × 3 in Related products Out of stock SALEWAITLIST NOW HK UMP 10mm Conversion Kit Bolt and Barrel from: $69900$49900 SALE HK MP5K RS Custom Build Complete 9mm From: $3,49900 Original price was: $3,49900.$3,19900Current price is: $3,19900. Out of stock WAITLIST NOW HK UMP 40Cal Conversion Kit Bolt and Barrel from: $44900