Re: CETME vs. PTR 91. also, get the one with the welded rail on top. mounting optics are a bitch, and the legit HK stanag scope mount is $229. The others blow, trust me. I have the UTG and it moves a bunch. also worthless. checkout www.robertrtg.com - parts are plentiful. November 9th, 2013, 02:34 PM #6. rompus. More @Wikipedia
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