Home / Accessory-Parts / B&T USW-G20 CONVERSION KIT G20/21 View cart “Christensen Arms DBM BOTTOM METAL SA TACTICAL” 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 Trijicon SRO REPLACEMENT BATTERY CAP $3200 Trijicon LENS PEN CLEANER/BRUSH $1800 Daniel Defense PICATINNY RAIL PANEL SET BLK $3100 Wilson Combat BUSHING WRENCH 1911 FS/CPCT BL $395