Glock OEM Magazine Catch , Reversible, G21, Generation 4, Packaged 50963 Out of stock. Check back later... $7.00 MSRP Price: $5.07 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info Glock OEM Magazine Catch , Reversible, G21, Generation 4, Packaged 50963 UPC: 764503060403Manufacturer: GlockModel: 50963Category: PartsOtherStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.