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6.5-284 140 or 142SMK's?????

 
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Old 08-02-2004, 07:23 PM
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6.5-284 140 or 142SMK\'s?????

I recently started shooting 6.5-284. I noticed in reading a lot of guys shoot the 142SMK. Other than the weight is there a difference in 140 and 142 SMK's. If I have a good load for the 140's is it worth trying the 142's also?
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Old 08-02-2004, 08:22 PM
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Re: 6.5-284 140 or 142SMK\'s?????

yep, 142grsmk is like an lvd bullet. I switched over and got better groups load I'm using is 50.5/R-22 it's a mild load but gets better groups for me. Good Luck.
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Old 08-02-2004, 09:18 PM
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Re: 6.5-284 140 or 142SMK\'s?????

Roper
Thanks I'm at 50.0 R-22 and a 210M (140)Good groups, just felt they could tighten up a bit. I know they are all different but how are you seating them. Igot the 140's shooting best just touching.
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Old 08-02-2004, 10:18 PM
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Re: 6.5-284 140 or 142SMK\'s?????

The 142gr SMK has a substantially better B.C. than the 140gr SMK which I believe is why most people lean towards the 142 if they can. AFAIK, the 142 is not a 'true' VLD, but it flies close enough for gov't work.

Monte
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Old 08-03-2004, 10:28 AM
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Re: 6.5-284 140 or 142SMK\'s?????

Rimfire,
The best groups so far out of my 6.5-284 have been a 9.2" and 7.8" 10 shot groups at 1000 yards, in compition. This is with the SMK 142gr at .020" off the lands, 49.5gr of H4831SC. I am now working on loads with the Burger 140gr VLD, looks very promissing, getting better results on my test range than the SMK's. I cronographed the burgers this morning at an average of 3050fps. This is out of a 30" Lilja 9twist barrel.

Bill
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Old 08-03-2004, 03:23 PM
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Re: 6.5-284 140 or 142SMK\'s?????

Rimfire & roper
What size groups are we talking about?
The reason I ask is because I'm also in the process of load development for a 6.5-284. I did a ladder test on Sunday with Re22 and the 140SMK. Had 50.2 and 50.4 grains go into virtually the same hole, 49.8 and 50.0 oppened the four shot group up to .380" at 225 yds.
With IMR 4831 The gun shot a 4 shot .260 group at 100 yds, however this load leaves very faint ejector marks on the case.

I'm pretty pleased with those groups, but if you guys are shooting the 142s into smaller than that please let me know I'll definitly give them a try.
Thanks
Chris
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Old 08-03-2004, 05:00 PM
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Re: 6.5-284 140 or 142SMK\'s?????

Winmagman
Ran the ladder with 140 A-max 51.5 - 52.0 of H-4831sc. At 52.0 it shot several groups .2's and .3's and a few sub 1/2" 200 yard groups. About the time the humidity and temp hit the groups went to ****. I would have been more than happy with consistent groups larger than that since it's going to be used as a mid range deer crop damage. Same temp and humidity 140 SMK's and R-22 tightened up at 50.0 seated on lands and shoots .8 at 200 with fairly good consistency, need to play with seating. Just ordered 142 SMK's today hope to try them friday. fed 210M are working best. What primers are you using?
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