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7x57 Rem factory loads #11521459 10/21/16
Joined: Oct 2012 Posts: 116 Y Y33611 OP Campfire Member
OP Y33611 Campfire Member Y Joined: Oct 2012 Posts: 116	Does anyone know what powder Remington loads their 140 grain Core-lokt factory ammo with? I haven't weighed it but I suppose I could narrow it down by load weight. I'm presuming its one of the IMRs 3031, 4350, 4831, it could be either a fast for slow powder with a 140 gr. bullet I suppose.

GB1

Re: 7x57 Rem factory loads Y33611 #11521505 10/21/16
Joined: Jul 2001 Posts: 60,177 Likes: 20 Banana Belt, Montana M Mule Deer Campfire Kahuna
Mule Deer Campfire Kahuna M Joined: Jul 2001 Posts: 60,177 Likes: 20 Banana Belt, Montana	Odds are high it's not a standard canister powder. Much, if not most, mass-produced factory ammo is loaded with unblended batches of powder, so each new batch has to be lab-tested to produce similar ballistics. “Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck

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