Walther PDP Compensator
The Bobro Engineering Walther PDP Compensator was designed
to be as efficient as possible without adding too much length to the pistol. We
maximized the port area utilizing ramps that divert propellent gasses slightly
rearward to help mitigate felt recoil or what can be described as snappiness.
The main port is angled rearward to divert gasses onto the ramps.
The Compensator is threaded ½-28 TPI and is optimized for
the Walther factory threaded barrel. Any barrel with an identical external
configuration will also work.
The Compensator is exactly 1 inch long, so a holster must be
configured to accommodate the extra length if neccesary.
During testing, we found that use of the stock recoil spring
was completely reliable, and all normal functions were unaffected. Both lighter
and heavier springs than stock were also tested, to include the “green” spring
that comes with the Walther factory threaded barrel. Our
examples functioned correctly, but that doesn’t mean that your
particular example will. You might have to adjust the recoil spring weight to
ensure reliability with your particular gun and ammunition configuration.
The compensator is constructed from 7075-T6 aluminum
alloy and is hard coat anodized for
maximum durability.
INSTALLATION-
Ensure that the pistol is unloaded and made safe.
Install threaded barrel.
Screw compensator on, making sure that it does not touch the
front of the slide once screwed all the way down. Lightly snug the two
retaining screws, and test for function. Ensure that the slide can be locked
all the way to the rear, and that the compensator isn’t impacting any portion
of the pistol within the frame.
Remove compensator and apply the provided low strength
thread locker to clean barrel threads. Re-install the compensator to the
previously tested position. Remove the 2 setscrews, apply thread locker and
then re-install. Make sure that they are snug. Wait 24 hours for the
threadlocker to fully cure before use.
Fire a few rounds through the pistol, and make sure that
there are not any indications of the bullet striking any portion of the
compensator.
Always periodically check that the compensator remains
firmly attached, and will not rotate by finger pressure.
If you have any questions or issues, give us a call!
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