- This unit is compatible with Generation 4 Glocks chambered in 9mm, .40S&W, .357 Sig and .45 GAP.
- This unit will NOT fit on 10mm and .45 ACP magazine
- The grip extension from piece installs easily by removing the factory base plate and slipping this unit on.
- This grip extension increases the available gripping surface on your Glock and also increases the capacity.
- These Pearce Grip Extensions are made from an impact resistant polymer that has withstood a battery of drop tests.
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