B&T USW-G20 Conversion Kit Fits Glock G40/G41/G20/G21 Gen 3-5, Black

The USW-G20 conversion kit is the ultimate enhancement for Glock 20, 21 and other models chambered in 10mm or .45 ACP. This innovative kit provides the operator with the versatility to use the pistol in a traditional manner or with a built-in folding stock, enabling a seamless transition in under a second. Its sophisticated design allows the integration of an optional red-dot sight while maintaining the original open sights as a reliable backup, giving the operator increased adaptability and precision in any scenario.