GTA
All Springer/NP/PCP Air Gun Discussion General => Machine Shop Talk & AG Parts Machining => Engineering- Research & Development => Topic started by: beerhippy on March 10, 2015, 11:23:58 AM
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Is it smaller than the std. crosman size? Like maybe .430 instead of .435? I have what I believe to be a nos 24" disco barrel ( has the milled rsb flat) that has been cut down to 14.5". It's o.d. is 0.430" making it a bit loose in relation to my related1377 parts.