Persian Gulf Command Posted March 31, 2024 #1 Posted March 31, 2024 Question to you ordnance guys? I have a 57mm and a 75mm casing I want to receive their appropriate AP projectiles. The throats of the casings are a bit too large, so I want to narrow the opening without deforming the circumference. I've tried a hose clamp around a PVC collar but can't get enough pressure because the screw strips its band before narrowing the throat of the casing. Any suggestions?
72psb Posted March 31, 2024 #2 Posted March 31, 2024 Anneal the brass to soften it. I'm sure You tube has a video on how to anneal.
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