Locking Block For GlockA(R) 44 - Locking Block, G44

Glock Locking Block Glock 26, 27, 33, 39 Current Gen 3, Gen 4, Gen 5 Models

Shadow Systems Compact and Full-Size Frame Locking Block Fits Glock Gen 3 G19, Black

Cross Armory Cross Armory Extended Slide Lock for Full Frame Glocks Gen 1-4 Pistols, Gold - CRGSLGD - CRGSLGD

Cross Armory Cross Armory Extended Slide Lock for Full Frame Glocks Gen 1-4 Pistols, Silver - CRGSLSV - CRGSLSV

Shadow Systems Locking Block Pin Fits Glock Gen 3/Shadow Systems DR920, Black

Lone Wolf LWD Ext Extended Slide Lock Lever Fits Glock Gen 4-5, Black