1 out of 1 people found the following review helpful
I was skeptical about this part and couldn't find any real information on it, so I decided to try it out. I have a full size 9mm px4 with a few other mods; metal trigger, version D hammer spring and 92 style safety levers. I wish I had bought this part sooner. It fits into the frame much tighter giving the barrel a more stable platform to rotate on and with a drop of oil that DLC coating is very slick. It definitely helped the gun run a smoother under rapid fire. If your block looks beat up and used upon arrival, it's the DLC coating and it's dry. Just wipe down with some oil and install.
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