Home / Accessory-Parts / B&T USW-G20 CONVERSION KIT G20/21 View cart “Trijicon LENS PEN CLEANER/BRUSH” 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 Wilson Combat GRIP MOD WCP320 CRRY TAN SFTY $6795 Wilson Combat GAS TUBE AR-15 SS 11.75″ $1795 Sale! Christensen Arms DBM BOTTOM METAL SA TACTICAL $26999 $23825