PLEASE NOTE: Orders generally ship out within one business day, but please be aware that due to the current USPS shipping backlog we have seen delays in our standard shipping option. Recent shipping times have varied widely from 3-10 days.
GLOCK GEN 4 : PG-1045+
Magazine Extension For GLOCK 29/20/21/40/41
This extension replaces the magazine floor plate adding two rounds capacity to Glock factory M20,M21,M29,M40 and M41 magazines. This unit is for use on high capacity magazines only, it will not work on the 10 round M20 and M21 magazines. Not for use on Glock M30 10 round magazines.
*250 round break in period required on many of the newer magazine springs to allow for easier loading of the last extra round.
These units will work on both third and fourth generation Glock models
These units will work on Glock M30 9 round magazines, enabling the magazine to hold 11 rounds.
If you need this extension installed on a factory specific magazine check out the PARTS+MAG section for current availability.
- These units alter the capacity of M20,M21,M29,M40 and M41 high capacity magazines
- They are made from High Impact Polymer and withstand temperatures from -20 F to 350 F.
DISCLAIMER: 'GLOCK' is a federally registered trademark of
GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. and
GLOCK Ges.m.b.H. Neither Pearce Grip, Inc. nor this site are affiliated
in any manner. This product is not manufactured, authorized, endorsed,
or warranted by GLOCK. GLOCK does not warrant or represent that this
product is compatible with GLOCK pistols.