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HS Precision quality control (revisited)

 
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  #8  
Old 07-19-2004, 07:34 PM
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Join Date: Jan 2004
Location: Houston, Texas
Posts: 10
Re: HS Precision quality control (revisited)

EXPRESS-I don't have an HTR, but I have 3 of their stocks on Remington Actions. I always fit the HS precision stock to my Remington actions which is an easy process to do yourself. I understand that you paid for this to be done. This last time I put Shooters choice red grease on the parts of the action that would touch the Aluminum bedding Block. Torque the action screws with a torque wrench to 65 inch-pounds when you are done. This is a little tighter than you can do with a screwdriver style of tool.
You want two line contacts on the front portion (not 100 % contact) of the bedding block, one on each side of the block very near the sides of the aluminum block and sides of the stock. Usually all that you need to do to achieve this is to remove paint overspray or stock material that has seeped over the edge of the aluminum. Both materials are quite soft and easy to scrape off. At the back you want contact marks on both sides as well as the back of the tang. I had to remove some material from the bedding block sides in the thin area of the trigger to get the rear part of the receiver to seat properly. After you achieve contact here then coat the recoil lug and snug the action screws. Tap the rifle on the butt on the ground to seat the recoil lug. Scrape the Aluminum on the recoil lug seat until you get about 70% contact. I used a tiny 1/4 inch file that is ground and honed flat on the end as a scraper. This job does not take a very long time.
My .3 inch accuracy and yours attest to the fact that this stock works quite well without skim bedding.

There are some pictures of my latest long range hunting rifle with the HS precision stock in my
Journal

[ 07-21-2004: Message edited by: John Stranahan ]
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  #9  
Old 07-20-2004, 08:18 AM
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Join Date: Feb 2004
Posts: 40
Re: HS Precision quality control (revisited)

I have an H-S Precision Pro Hunter model in .300 win mag.
It shoots groups comparable to yours with my hunting loads.
I have actually never had the action out of the stock. With groups like that never had a reason.
I sent it back to them once to check the headspace. Turned out to be pilot error.
They have been a pleasure to deal with and very responsive each time I dealt with them. From purchase to sending it back that time for inspection (had it back in 10 days).

Sorry you have not had such a good experience.
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  #10  
Old 07-20-2004, 12:57 PM
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Join Date: Dec 2001
Location: Mukilteo, WA
Posts: 1,091
Re: HS Precision quality control (revisited)

Jerry, maybe I'm misreading your description, but as an Engineer I find it hard to believe that the V-block is bending the action. Remember, steel is three times as stiff as aluminum. It seems more likely to me that what you're describing is simply the action wedging the "V" of the block appart slightly as it's tightened.
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  #11  
Old 07-20-2004, 01:23 PM
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Join Date: Jan 2004
Location: Houston, Texas
Posts: 10
Re: HS Precision quality control (revisited)

65 inch pounds is not exactly heavy torque. It is the stock manufactures recommended torque. They sell a torque wrench through their web site to tighten the action screws.

HS Precision

The bedding block only touches the action, to any great extent, at the front and the back. Not much contact near the middle to cause excessive bending. I agree that the V is wedged out a little. That is how it's designed. This provides rigid unmoving contact so that the rifle always finds the same resting state after the shot. If the screws are loose there may be some movement of the action in the stock. I also agree that 65 inch-pound is too much torque for a non pillar bedded wood stock, but just fine for the HS precision stock.
When I tighten on my one piece scope base or tighten down the scope there is also a small tendency to bend the action. I think what's most important is that things stay put in exactly the same place after the shot.

[ 07-20-2004: Message edited by: John Stranahan ]
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  #12  
Old 07-20-2004, 04:58 PM
SCL SCL is offline
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Join Date: Oct 2003
Location: Bogota, Colombia
Posts: 69
Re: HS Precision quality control (revisited)

Gents,
I have used and shot HSP rifles in everything from .223 up to .338 Lapua Magnum, all based on their proprietary action. All have been tackdrivers, far surpassing their .5MOA guarantee. No problems with stocks chipping or breaking, even in a big boomer like .338 Lapua.

I have yet to take the stock off since I never have needed to; but if it looked ugly I really wouldn't give a rats ass anyway - the guns shoot like the blazes, so and you cannot see the inside of the stock anyway. I'll take performance over looks anyday, especially if you cannot even see the ugliness because its inside.

Just my .02

SCL in Bogota
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  #13  
Old 07-20-2004, 11:33 PM
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Join Date: Jul 2001
Posts: 1,459
Re: HS Precision quality control (revisited)

Express, that is very unfortunate but not uncommon. I have worked on some HS products and ingeneral the bedding is horrid and the interior finish slack. I guess what you don't see you don't pay for. The exterior paint also chips quite easily. For what they charge, it really isn't worth it.

However, they do supply the largest tactical army force on the planet so they must be "good" or at least good enough.

One other thing you must look at and so should JohnS, is the use of heavy torque to put the action into the stock. As a rule, this will distort the action which is not a good thing.

simple test, with your hand on top of the action, tighten and loosen the front action screw by hand. I bet you will feel that action moving. It is actually bending to fit inside that V groove bedding.

You just spent many dollars having some gunsmith precision align and true up the action, bolt and barrel to a few thous. Now you slap it into a stock that bends the action so much you can see and feel it. What's the point in that?

The last HS stock I worked on needed the bedding raised 1/8" to get a stress free fit.

If your rifle still shoots well after being bent so much, it only shows you how important all that truing really is...another story.

Jerry

PS you used to be able to find grafetti, cig. butts, and lunch leftovers in the door and compartments of Ferrari's. How did it make the owner feel after shelling out all those bucks?
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  #14  
Old 07-21-2004, 01:33 PM
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Join Date: Jan 2004
Location: Houston, Texas
Posts: 10
Re: HS Precision quality control (revisited)

I did a little test on a Remington action and HS Precision Stock that I had just worked on. I have a close fitting mandrel to the bolt channel. It is a lapped in fit at the front. At the rear there is probably .0003-.0004 clearance, so that at a 6 inch distance from the back of the action with the front of the mandrel relatively tight the rod can be rocked up and down .0010 inch. It is a drag fit however (probably snug on the sides). No play when inserted from the front. I tested the rock and the drag fit with the action screws loose and tight. No change. I used .0001 inch indicating dial indicator to test the motion. No change. Note that I had a one piece scope base and scope attached which makes the action stiff in the vertical plane.
There are many ways to a precision rifle. Some of Benchrest guys glue the action in place. Some of 1000 yard benchrest guys use a barrel block glued to the barrel and glue the barrel block into the stock with the action floated.
I like to take the action out of the stock when it rains to reoil things up after the hunt and am quite satisfied with .2-.3 inch 3 shot groups. My zero does not change after removing and replacing the action. My Hart barreled .308 with the same stock work shot .150 inch 3 shot groups when it was new. Now it averages about .3 inches after 600 rounds.
A few tenthousandths bend is not really going to hurt anything. It might even bend in a better direction than relaxed on a Remington Receiver. You have a 50-50 chance. Note that my bolts are not sleeved.

[ 07-21-2004: Message edited by: John Stranahan ]
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