well, what this testing really does is raise the question: are new internals really worth the money for the little or no benefits they provide?

my answer is no. slight improvment if any usually isn't worth 30-50 dollars.

no, if you want stonger material parts like the metal powertubes from JCS, thats a little different. you are getting a stonger, longer lasting part. but still not really a preformance improvement.

no, the cocking handle is never a replacement part with any product i've seen.

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