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I was thinking about using some of these for a plinking and small varmint round, due to the cheap price ($6.85/100). They are made of a copper/tin composite that disintegrates on impact with hard targets, but the tech I just talked to on the phone said they work well on varmints he's shot. Also, he said that due to being made of a lighter material, they have the profile and wind drift of a 60 gr. bullet even though they weigh only 42 gr. Anyone tried these before? Thanks. | ||
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Well, I called the manufacturer and talked to their tech guy. He says they just sent some bullets out to a ballistics lab to be tested, so he doesn't have a BC for they yet. He says he uses them on smaller varmints quite effectively, and also mentioned that they were working on a 33-gr. HPBT in .224 cal specifically for varminting, with a profile like a 53 gr lead/copper bullet. Here's what I'm trying to figure out. The only other non-lead bullet I could find a BC on is Barnes. Here's the comparison I found. 53-gr Barnes: BC=0.231 So, the nonlead bullet, while longer for mass, still has the same BC. So, I don't think the BC for the 42-gr. Sinterfire could be worse than any other 40-45 gr bullet. Worse-case estimate of BC around 0.200. However, when I looked at the 6mm rounds, I found this. 85-gr Barnes: BC=0.401 So, the Barnes has a BETTER BC despite being longer for mass. So best-case scenario is that they may actually have the BC they claim. I'm going to order a box just to see. Thanks. | |||
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