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  #1  
Old 08-01-2009, 03:00 AM
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Remington 742 Question-Accuracy


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I think I have read every post on here and a few on line about the 742, so I know that 2" as 100 is the best that can ever be hoped for, a little disappointing. I recieved this rifle 20+ years ago from my grandpa. It is chambered in 280 and has a 3-9x40 Tasco that was on it when I recieved the gun. I have shot several deer with it and also missed several with it or made poor shots and always thought it was me. I took it to a range as well my 30-30 to mainly set up the scope on the 30-30 but also to check my 280. I was well pleased with my 30-30 but not the 280. I first shot at 50 yards and had high and left shots so adjusted the scope. I put 2 on a 3" dot and thought all was good. Went to 100 and hit high and right with a clip of 140 grain, high and left with 165 grain. I put two more clips (4 round) of 165 grain to confirm my group and missed the paper plate with most of them. I was using bags and being as steady as I could, so I don't feel that I couls have messed all of them up. After a box of 30-30 and a box of 280, I had a bruised and sore shoulder so I decided to hang it up untill another day.

My brother suggested that my scope was shot and to replace it with an inexpensive one first to see if it was truely the culprit.

I started doing some reading about the problems of the 742, so I am now confused as to where to start.

All ammo was Remington Core-Lokt. I prefer the 165 grain as that is the only one that has a blunt tip and will expand. The others just poke holes.

As a child I was only taught to clran the bore and oil the outside of a rifle and squirt some in the action, never to take one down. Needless to say, I have never taken it down to clean. On the other hand, I would say 4 to 5 boxes of shells is all that this rifle has ever seen since I have owned it.

I'm just looking for aome things to check out to confirm or rule out before I return to the range. Also, where do I need to look to inspect the rails for notches or gouges?

Soeey for the long post. Just wanted to provide what limited info I had. Thanks for the help.
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  #2  
Old 08-01-2009, 04:43 AM
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Your post reads like you were trying several different loads. It’s best to work with only one at a time. Find one that groups best and zero the scope to that load.
742’s get cleaned from the muzzle mostly. A damaged crown is a real possibility. Take a hard look there.
I think a bore snake is good way to go for a 742. Get the bore “squeaky clean” and try again from a solid rest. One shot every 5 minuets so as not to let the barrel get hot.
A 742 in good condition should be able to 1.75” @ 100 yards +/- with at least one load. Plenty good enough for deer at medium range.

Cheezywan
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  #3  
Old 08-01-2009, 07:15 AM
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I too have a 742, in '06. Accuracy is horrible with mine as well. The shots seem to jump around on paper, so I dont hunt with it anymore. Its still a fun gun to go to the range with, but for the most part I just keep it clean and shiny and in the closet. The funny thing is, I have heard alot of people call it the 742 jam-o-matic, and I cant recall it ever jamming on me. It doesnt matter if it jams or not, if the bullet doesnt go where you want it. Good luck with it, if you figure something out let me know.
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  #4  
Old 08-01-2009, 08:43 AM
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I've owned five 742's and 760's over the years and all would shoot within 3" @ 100, some did 1/2 that. Also never had an issue with factory ammo and jamming. Had one in 30-06 that needed small base dies to make reloads chamber dependably. By the way still have those dies if any one needs 'em.

The comment about damaging the rifling at the muzzle is correct. It would be the first thing I'd check.
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  #5  
Old 08-01-2009, 11:22 AM
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Had one come into the shop that was all over the paper. Checked the muzzle, and the crown was bad so cut the barrel back two inches and recrowned it. and it still looked like a shotgun blast, so changed the scope, and the darn thing shot 1 1/2" groups at 100 yards. So you might want to check out the scope and mounts as well.
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  #6  
Old 08-01-2009, 02:23 PM
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I was mainly trying to group with the 165 grain. I had bought a box of 140 grain years ago and was just seeing what they would do ballistic wise. I just threw in the results as info for people more knowledgeable than me to look at. Will any muzzle damage be obvious to a newbie? I assume the crown is the roundover that is present. What would I look for in the scope to determine if it is shot? My brother suggested a $30 BSA claiming it would be good enough and cheap enough to determine a problem or not. I would prefer to only buy a scope once instead of twice and have one collecting dust. Anything that would give it away as being bad or is it a change and see item? I want to check the simple stuff first. I had always been told this was a 300 yard gun so I was disappointed at the lack of accuracy they are famous for. But I learned my grandpa also has one in 30-06 and loves it. He never shot mine though.
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  #7  
Old 08-01-2009, 03:00 PM
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The crown is the roundover of the muzzle. It should be uniform all the way around. Clean the barrel and push a bit of white tissue paper an inch or a bit more down the barrel. Shine a good light on it and look for uniform rifling all the way around too.

Putting a cheap scope on a .280 probably means you'll be buying two. Several years ago a young friend tried to sight in his .270 just before deer season, but the groups kept getting bigger and bigger. I loaned him a straight 8X Leupold and accuracy returned. It was great on the stubble fields, but not so good in the bush.

Bye
Jack
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  #8  
Old 08-01-2009, 03:08 PM
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I found the most common cause of inaccuracy in 742s was a loose barrel takedown nut. Tightening the nut usually took care of it. Sub 2 inch groups at 100 yards with good factory ammo were usual.
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  #9  
Old 08-01-2009, 03:24 PM
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Its a hunting rifle, 2" at 100 yards will kill any deer in the woods!

I killed 5 deer last season with a rifle shooting 3" groups, I only used 7 shells.
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  #10  
Old 08-01-2009, 03:46 PM
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Quote:
Originally Posted by mattsbox99 View Post
Its a hunting rifle, 2" at 100 yards will kill any deer in the woods!

I killed 5 deer last season with a rifle shooting 3" groups, I only used 7 shells.
I fully agree. Twice that would still get the job done. I just thought it was capable of more before I researched it.
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  #11  
Old 08-01-2009, 04:44 PM
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Check your crown...check your barrel nut....find your best load....

What type of bases and rings are you shooting? Though Weaver style work well, when installed with a touch of blue loktite (especially in semi autos), I prefer Leupold or the like....one piece steel...with either standard rings (dove tail/ windage) or dual dovetails. I have seen older scopes malfunction, but even the best scope is crap without good solid bases and rings. I would borrow a good scope (if possible) before I would buy a cheep one. If you do go the cheap route, get one rated for a center fire...not a rimfire. Buy it from a larger retailer storefront (Bass Pro, Cabela's, Wal-Mart) so that you may return it within the stores return policy time in the case that your problem persists.

Keep in mind that by nature, semi autos are not as acurate as bolts, levers, or single shots because of the clash between the mechanics of their operations and the force that it imposes on the rifles platform wheen shooting...be it the shooter or any other rest.

As previously mentioned...it is a deer rifle. Everyone wants to "cut nuts" with everyshot, but keep in mind that you are shooting an animal with a 15"-18" vital target area.

If that doesn't help your feelings...this should, a little.... Comparing your Grandfather's Remmy to the legendary BAR hunting rifle.... I had a customer whose Browning we sent back to the factory for accuracy issues...it came back from the test range with this statement... "Weapon fires within Factory Specifications of 3" @ 100 yards".

Happy Shooting

beevo

Last edited by beevo; 08-01-2009 at 04:46 PM.
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  #12  
Old 08-01-2009, 08:46 PM
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unless its was a shotgun i wouldn t want any gun in the woods that was not very accurate...accurate rifles can be had reasonable ,,an theres to many other variables in hunting to carry a rifle you are less than dead on with...
if my hunting skills get me a decent shot,,,i want to know i have something i can be pretty precise with..jmo slim
id start by putting a little more into a good scope,,,after i ascertained that its not shot out.. good luck... slim
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  #13  
Old 08-02-2009, 04:12 AM
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You could mount the scope on another known/good rifle to check that.
Barrel nut is a good call. Check that.

Cheezywan
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  #14  
Old 08-02-2009, 04:16 AM
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Personally, I believe too much emphasis is being placed on a rifle shooting 1" groups at 100yards. There isn't one shooter in a thousand that can shoot that well from the shoulder anyway. Back in the 50's and 60's any rifle that could maintain a 2" group from the bench was an accurate rifle indeed. Your rifle is doing just fine. Some good advice given on this forum ... pick the load your rifle likes best and stick with it. And practice. Zero it in from the bench then stand up on your hind legs and practice that way. If you can snap shoot a 5" group at 100 yards then you are doing just fine, my friend.
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  #15  
Old 08-02-2009, 05:11 AM
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Quote:
Originally Posted by Sinbad12-2007 View Post
Personally, I believe too much emphasis is being placed on a rifle shooting 1" groups at 100yards. There isn't one shooter in a thousand that can shoot that well from the shoulder anyway. Back in the 50's and 60's any rifle that could maintain a 2" group from the bench was an accurate rifle indeed. Your rifle is doing just fine. Some good advice given on this forum ... pick the load your rifle likes best and stick with it. And practice. Zero it in from the bench then stand up on your hind legs and practice that way. If you can snap shoot a 5" group at 100 yards then you are doing just fine, my friend.
A one inch group @ 100 yards (1 MOA) is standard...... for USMC Scout/ Snipers.... Primarily because at 1000 yards...that's 10"

The old standard for hunting rifles has been (don't quote me) 10 shots placed into a 10" pie plate @ 100 yards in 1 minute in standing position. Most shooter's think that is rediculas when it comes to accuracey, but like Sinbad said.... I would challenge any bench shooter to attempt that ability.

beevo
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  #16  
Old 08-02-2009, 05:26 AM
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have you ever cleaned the barrel with a copper solvent? most occassional hunters i know don't. they shoot ,maybe, 1 box of ammo in 8-10 years so they may never see the affects of copper fouling on accuracy. your rifle being as old as it is may just have enough copper fouling built up to hurt accuracy. I have seen lousy shooting barrels shoot very nicely after a thorough cleaning with a copper solvent.

advntrjnky
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  #17  
Old 08-12-2009, 10:39 AM
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I laid the Hoppes #9 and a brush to it and started to get some rhyme and reason to my groups. Dad and I had it doing in the 3" range at 100 yards. Much better. I couldn't get the foregrip screw to break loose, so I let well enough alone. Thanks for all of the help.
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