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Old 05-18-2016, 10:43 AM
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Rapier Rapier is offline
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Join Date: Jun 2005
Location: Florida
Posts: 1,323
Be careful of the 30 Carbine and cast bullets. Years ago I had my son reloading his own 30 Carbine ammo, using the 130gr Lyman cast RN bullets. I did not notice that the bullet was leaving a tiny bit of lube and lead at the case mouth every time a round was loaded. Each time a round loaded into the chamber it was leaving a tiny bit of that lead and lube on the front edge created by the reamer for the case mouth to headspace on. Eventually, the 3 digit Rockola fired, just barely out of battery, blowing the locking lug and extractor off the bolt. Very luckily, my son whom is left handed, was taught to shoot right handed, which put the stock between his face and the flying shrapnel. The reason they tell you not to use cast in a carbine is due to that build up in the chamber pushes the headspace back.

I have picked up several carbines that will fire when just ever so slightly out of battery.
Ed
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