Home / Accessory-Parts / B&T USW-G20 CONVERSION KIT G20/21 View cart “Wilson Combat GRIP MOD WCP320 CRRY TAN SFTY” 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 Wilson Combat GRIP MOD WCP365 XL BLK $6495 Wilson Combat GAS BLOCK AR15 LO-PRO .875″ $3495 Sale! POF USA DICTATOR GAS BLOCK MIDLENGTH $16300 $16234 Daniel Defense PICATINNY RAIL PANEL SET BLK $3100