Walther PDP (Steel or Polymer) Plus 4 Magazine Extension by Henning Group
No Magazine Included
The Henning Group Magazine Extension Kit for Walther PDP and PDP Steel Frame increases magazine capacity from 18 to 22 rounds! 24 rounds with the MBX or CSRG spring and follower.The design of our extension is a true extension of the internal shape of the factory magazine tube. Combined with a stainless steel, 13.5-coil magazine spring, it is a proven and reliable solution. Our Walther PDP magazine extension is CNC machined from 6061-T6 billet aluminum. This extension fits the USPSA 141.25mm gauge, and is legal for Carry optics, Limited Optics, Limited & Open divisions in USPSA.Our latest design includes numbering dots, serrations for light side grab and a reinforced wall thickness, and it is cut for use in the PDP Steel Frame.We have three options for springs:A. Henning Group spring (using factory follower). Installed on a 18 round mag, our spring ensures proper function.B. MBX Follower and Spring. Increases capacity from 18 to 24 + 1. No Lock Back!C. CSRG Follower and Spring. Increases capacity from 18 to 24 + 1. No Lock Back!This extension DOES NOT work with the factory PDP or PDP Steel magwell. We recommend the Taylor Freelance magwell.MBX and CSRG Aftermarket Follower Kits do NOT LOCK slide back on empty.This extension works for both the Polymer and Steel models.The PDP compact uses a PPQ M2 pattern magazine. It is not compatible with the full size magazines and extensions.
MBX “Ultra Max” Spring & Follower
*Note This Product will not lock slide back on last round fired
ATTENTION!Before Inserting Magazine Into Firearm
New MBX competition follower & spring sets need to be loaded 4-6 times to capacity preventing follower popping out when new , insuring spring set and the follower sits down in tube when new, this avoids any slide contact and damange to spring and follower voiding warranty as the competition follower is NOT held down by the slide stop and has minimal surface area , the competition follower is designed once spring is set to sit 1/4-3/8 below top of feed lips thus avoiding damaging slide contact with follower once magazine is empty.
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