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  1. D

    Change in Brass = Increased Pressure?

    No question as to solution - I'm just curious. Yes, I know what happened to that cat---
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    Change in Brass = Increased Pressure?

    Neck thickness of the Lapua is actually .001" more than the Alpha. Comments well taken---
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    Change in Brass = Increased Pressure?

    I'm thinking more that Gustav's may have something - the final pressure is important but so is the change in pressure over time. A more abrupt rise due to increased headspace could produce signs of overpressure with a relatively small incremental increase in peak pressure. Re-measuring etc in...
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    Change in Brass = Increased Pressure?

    I thought about neck tension - I use an expand/uniform mandrel on new brass prior to initial fire forming to ensure the same tension as on my reloaded brass. That said, I did note that more force was required to seat the SMKs in the Alpha than the Lapua. Since I brush the inside of the case...
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    Change in Brass = Increased Pressure?

    I have a go-to 308 load using Lapua brass - Varget 43.5/-030 jump/BR2/175SMK - that yields 2700fps MV through my 22" Gradous barrel. SDs are usually 8-10 and 3 to 5 shot groups under 0.5". I've heard some good things about Alpha brass so I thought I'd try them. Before loading the new Alpha cases...
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    Accessories WTS: McMillan A-5 Adjustable Tactical Stock NIB

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    Accessories WTS: McMillan A-5 Adjustable Tactical Stock NIB

    Send me a PM with an email address for pix. For those interested in the DBM - I don't intend to sell this separately unless the stock buyer doesn't need it. Also, some have asked whether the DBM is the old or new style. It was purchased in 2014 from Surgeon and, based on that, I assume it is...
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    Accessories WTS: McMillan A-5 Adjustable Tactical Stock NIB

    Sorry - not interested in any trades.
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    Accessories WTS: McMillan A-5 Adjustable Tactical Stock NIB

    I ordered this stock with plans to customize my Rem 5R but decided to go with a new AI rifle instead. So I have for sale: McMillan Adjustable A-5 Stock, NIB, as received from McMillan -Full inlet: R/H Rem SA, Surgeon DBM -Standard fill -Sendero (Heavy varmint) 308 Win barrel contour -Premium...
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    AR-15 Gas Piston Conversion Kit

    My interest in a conversion is related to the fact that I've spent a good bit of cash on high end components for my DI upper. If I went to a purpose built upper I would not only lose that money but the components of the purpose built system many not be as high quality. But I see your point - if...
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    AR-15 Gas Piston Conversion Kit

    I've been thinking about converting my home built mid-length AR15 to gas piston, using a conversion kit as opposed to a new GP upper. There seem to be several popular conversion kits on the market. Is there any consensus of opinion as to the "best" one, or is it a matter of Silverado vs F150 vs...
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    WTS: McMillan Adjustable A-5 Stock for Rem 700, NIB

    http://i1256.photobucket.com/albums/...ps02be0653.jpg I ordered this stock with plans to customize my Rem 5R but decided to go with a new AI rifle instead. So I have for sale: McMillan Adjustable A-5 Stock -Full inlet for R/H Rem SA, Surgeon DBM and Sendero (heavy varmint) 308 barrel contour...
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    Rifle Scopes Scope and Mounts for Large Frame Precision AR

    Thanks for those tips - I'll take a look at the JP mounts. I've pretty much decided on one of the new Nightforce ATACARs, either 4-16x42 or 4-16x50 F1, for an optic. It's always tempting to get more mag but realistically I seldom use more than 10 power so one of those should be ideal...
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    Rifle Scopes Scope and Mounts for Large Frame Precision AR

    Thanks, MSTN, for that additional info. I think I'll be OK building up the UBR stock since the LPR is a side charger - the charging handle just extends to the forward two inches of the stock which is farther forward than my cheek would be at an LOP of 14" or so. It occurred to me that if I...
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    Rifle Scopes Scope and Mounts for Large Frame Precision AR

    Thanks for all that input, guys. One question though - it's not clear why eye relief (which seems to be the reason to use a cantilever one-piece mount) is more of a problem on ARs than bolt-guns. It looks like you'd have about the same amount of receiver real estate to attach a mount. Do...
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    Rifle Scopes Scope and Mounts for Large Frame Precision AR

    Thanks for all the great comments and suggestions. I now understand the reason uni-mount and cantilever are popular in the "gasser" crowd that I've joined. As noted above, I shoot strictly precision long distance, usually prone, and don't need to take CQB into consideration. So it looks like a...
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    Rifle Scopes Scope and Mounts for Large Frame Precision AR

    Thanks for the comments: I didn't realize there's a problem with eye relief on ARs - assume it's the charging handle? The LRP-07 is a side charger so that's not a factor for me. And since I have no need for back-up sights, looks like I could just go with rings as on my bolt guns. I still wonder...
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    Rifle Scopes Scope and Mounts for Large Frame Precision AR

    I need some advice selecting a scope and mount for an LPR-07 AR type precision semi-auto. All my prior experience has been with bolt action rifles and two-piece fixed scope mounts. In the AR world though, there seem to be a lot of QD uni-mounts and short scopes used. I've wondered if one of the...
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    Tripod and Head for Terrapin X

    After considering the options, I decided to go with one of the RRS SOAR tripod combos - TFCT-34 MkII - with the ARCA attachment plates for my KOWA spotter and Terrapin. What a great decision if I do say so myself! The price of the tripod requires a strong belief in the "buy once, cry once"...
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    Reloading 6.5CM for the JP LRP-07

    Thanks for the input, guys! I really hadn't expected that brass life would be significantly shorter in an S-A. Obviously, I'm going to have to modify my reloading practice and expectations. My primary interest is the powder/bullet weight that works best in the 07 setup that I have (or will...
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