Home / Accessory-Parts / B&T USW-G20 CONVERSION KIT G20/21 View cart “POF USA TOMAHAWK CHARGING HANDLE 308” has been added to your cart. Sale! B&T USW-G20 CONVERSION KIT G20/21$57500 Original price was: $57500.$45707Current price is: $45707. Out of stock SKU: BT-430220 Category: Accessory-Parts Product ID: 26294 Description Description Compatible with Glock 20/21Aimpoint ACRO InterfacePicatinny Rail with Screw Related products Wilson Combat GAS BLOCK AR15 LO-PRO .750″ $3495 Wilson Combat EJECTION PORT DUST COVER KIT $295 Wilson Combat SHOK-BUFF 1911 RECOIL BUFFERS $695 Daniel Defense PICATINNY RAIL PANEL SET BLK $3100