Quote:
Originally Posted by redberets44
I'm assuming theres no compatibility issues with the stock/nine ball pistons + cylinder head and the PDI cylinder + piston head?
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None in my G18s, they are all interchangeable. I run a PDI head on a TM piston in a Nine ball cylinder. Should be good for an MP7 too.
Not 100% sure, but I think TN stands for titanium-nitride. Like all coatings, it will wear off eventually, but it will take a long time. I'd prefer a stainless steel barrel, but if none are available, the KM will do the job nicely.