Home / Accessory-Parts / B&T USW-G20 CONVERSION KIT G20/21 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 Christensen Arms THREAD PROTECTOR 5/8-24 BRNZ $3999 Wilson Combat MAGWELL 1911 BLUED $2995 Wilson Combat LOWER RECEIVER PARTS KIT AR-15 $4995 Wilson Combat BUSHING WRENCH 1911 FS/CPCT BL $395