Home / Accessory-Parts / B&T USW-G20 CONVERSION KIT G20/21 View cart “Wilson Combat GRIP MOD WCP365 XL BLK” has been added to your cart. Sale! B&T USW-G20 CONVERSION KIT G20/21$57500 $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 Sale! Christensen Arms DBM BOTTOM METAL SA TACTICAL $26999 $23825 Wilson Combat GAS BLOCK AR15 LO-PRO .875″ $3495 POF USA TOMAHAWK CHARGING HANDLE 308 $10400 Wilson Combat GRIP MOD WCP320 CRRY TAN SFTY $6795