SLR Gen 3 Glock 17/22/34 Magwell Adapter Black. Includes ultra low-profile billet attachment screw. Made to fit each gen and model like a glove. No "one size fits all" like many out there. Includes relief for Taran Tactical pin. Will work with 10-round mags (for states with capacity restrictions). Will not work with back straps. Included Accessories: Hardware Specifications for SLR Glock Magwell Adapter: Manufacturer: SLR Color: Black Fabric/Material: Alluminum Alloy Aluminum Alloy Gun Make: Glock Condition: New Features of SLR Glock Magwell Adapter: 7075 Billet Aluminum. Includes ultra low-profile billet attachment screw. Made to fit each gen and model like a glove No "one size fits all" like many out there. Includes relief for Taran Tactical pin. Will work with 10-round mags (for states with capacity restrictions). Will not work with back straps. Included Accessories: Hardware Package Contents: SLR Glock Magwell Adapter What firearm models does the manufacturer say SLR Glock Magwell Adapter is compatible with? The manufacturer says that SLR Glock Magwell Adapter is compatible with Glock 17 Glock 22 Glock 34 Glock 19 Glock 23SLR MW-GL-17-G3: Gen 3 Glock 17/22/34 Magwell Adapter Black