Cast bullet FAIL |
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TRX302
Callahan's Auto Mag Joined: 02 Dec 2011 Location: Arkansas Status: Offline Points: 680 |
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That's a nice wildcat that never seemed to catch on. On the other hand, it refuses to just go away... |
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Pantera Mike
Callahan's Auto Mag Joined: 20 Jan 2018 Status: Offline Points: 786 |
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I decided to revisit this issue. I bought a box of nominally identical bullets which are lubed conventionally instead of coated. They measure .431” as opposed to the coated ones which are .430”.
I loaded up 25 of each, and noted that now none of them can be budged by hand. Chambering each round causes the bullet to emerge about .015”, with the gun’s action acting like an inertial bullet puller. However I’ve now found that the same thing happens with Hornady XTP bullets? I’m going to the range tomorrow to try them out….
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Luc V.
Admin Group Joined: 09 Mar 2008 Location: Belgium Status: Offline Points: 1338 |
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Mike, Have you tried the same test with factory ammunition
(CorBon?) |
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Pantera Mike
Callahan's Auto Mag Joined: 20 Jan 2018 Status: Offline Points: 786 |
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The only factory ammo I have is SBR. I just now tested it and found that cartridge overall length increases by .005-.010” each time the round is chambered from the magazine. So the effect is the same, but the extent of the change is less with jacketed bullets. I did shoot 50 rounds of cast lead bullets today (half coated, half uncoated) and got perfectly good functioning and accuracy. (I was having a bad day at the range and making all sorts of errors—when I did my job right the bullets went exactly where aimed. The problem is, more often than not I was not doing my job right). I did notice an unusual effect. The cartridge overall length actually reduced the further down in the magazine the rounds were. The rounds were being battered in the magazine under the force of recoil, so much so that the last round in the magazine was notably shorter even after it was chambered. In this photo, an unfired round is on the left and a round that was at the bottom of the 7-round magazine and then fed into the gun is on the right: (Pic was flipped sideways by the forum software but you get the idea) Also, the nose of the rounds took quite a beating from the magazine and/or the feeding cycle. As can be seen on the bullet in the right. I may choose to continue to use only JHP bullets in the 44 AMP. Lead bullets seem to offer no advantages other than low price….
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