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The Range
Ammo & Reloading
New Loader learning 45 acp
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<blockquote data-quote="Shadowrider" data-source="post: 3045024" data-attributes="member: 3099"><p>I'm assuming you are topped out at 5.5 on your powder charge? I suspect that's not enough. Glocks aren't tight chambered at all and they like full power loads, especially the short ones. I've never loaded with that powder so I'm unfamiliar with it but can tell you that I'd probably start right in the middle of the load range and work up from there on most any Glock or M&P. Just measure the bullet and keep the internal case volume the same as whatever bullet you have data for. Hodgdon shows 5.9 as a max with a JHP bullet. The Extreme plated bullets are far softer than a JHP so from a safety standpoint 5.9 would be fine but that plated bullet may not shoot worth a darn running that hard. But then again it might since .45 is a low pressure round to begin with. Plated bullets are very soft lead with a thin copper plating over it. They need to be treated similar to a swaged lead bullet but sometimes the plating will let you get away with some stuff in some guns. I'm just guessing here, but I'd bet the gun starts running at 5.7 or 5.8. If it's still not running there you may be loading too long.</p><p></p><p>Edit: You crimp sounds pretty close. You really just want to remove the bell, a crimp won't hold the bullet in anyway on .45.</p></blockquote><p></p>
[QUOTE="Shadowrider, post: 3045024, member: 3099"] I'm assuming you are topped out at 5.5 on your powder charge? I suspect that's not enough. Glocks aren't tight chambered at all and they like full power loads, especially the short ones. I've never loaded with that powder so I'm unfamiliar with it but can tell you that I'd probably start right in the middle of the load range and work up from there on most any Glock or M&P. Just measure the bullet and keep the internal case volume the same as whatever bullet you have data for. Hodgdon shows 5.9 as a max with a JHP bullet. The Extreme plated bullets are far softer than a JHP so from a safety standpoint 5.9 would be fine but that plated bullet may not shoot worth a darn running that hard. But then again it might since .45 is a low pressure round to begin with. Plated bullets are very soft lead with a thin copper plating over it. They need to be treated similar to a swaged lead bullet but sometimes the plating will let you get away with some stuff in some guns. I'm just guessing here, but I'd bet the gun starts running at 5.7 or 5.8. If it's still not running there you may be loading too long. Edit: You crimp sounds pretty close. You really just want to remove the bell, a crimp won't hold the bullet in anyway on .45. [/QUOTE]
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