Details
Pearce Grips’ Glock Magazine Extension enhances the capacity and ergonomics of any Glock Gen 4 or 5 subcompact, mid-size, or full-size high capacity magazine.
This magazine extension replaces the original floor plate and internal locking plate of a Glock Gen 4 or 5 pistol. The extension increases the capacity of a 9mm, 40 S&W, or 357 Sig magazine by two rounds and a 45GAP magazine by one round. Made of high impact polymer, the magazine extension can withstand drop tests at temperatures ranging from -20° F to 350° F.
- Replaces the original floor plate and internal locking plate of a Glock Gen 4 or 5 pistol
- Increases the capacity of a 9mm, 40 S&W, or 357 Sig magazine by two rounds
- Increases the capacity of a 45GAP magazine by one round
- Is made of high impact polymer and can withstand drop tests at temperatures ranging from -20° F to 350° F
California Legal Notice (AB 1263)
Under California law, certain firearm-related items require additional steps before a sale or delivery can be completed.
These steps may include:
Under California law, certain firearm-related items require additional steps before a sale or delivery can be completed.
These steps may include:
- Reviewing a legal notice regarding prohibited conduct under California law
- Providing an acknowledgment confirming receipt and understanding of that notice
- Verifying purchaser age and identity (18+)
- Delivery with adult signature and identification


