Need some advice for my Sav 10 Precision Car...

PaintballGuy

PaintballGuy

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Hey guys,

I just recently bought this Savage 10 Precision Carbine, and I was wondering if I could get a second or 3rd opinion on the issue of short barrels and ammo types.

Now, while I was sighting in my rifle at the range last week a fellow shooter commented on how abnormally loud it was and that it's attributed to the short barrel not igniting all the powder before it leaves the tip. It makes sense if you ask me, but he also said that because of this I will notice a significant lack of accuracy due to bullet instability and that using a heavier grain bullet will slightly compensate for this.

Is this true or are there other steps I can take?

I should note that I'm actually very pleased with the consistent accuracy of the rifle at 100 yds. I was using Winchester SuperX JSP .308 150grain (just a cheapo paper pounder) and this is what i was shooting after 15 rounds of sighting:

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(the black square was the 2nd target)

So I donno what do you guys think? Should I switch to a heavier grain or stay with 150? Are there any other things I can do to improve accuracy (besides buying/loading good rounds, obviously) or is this as good or better than is to be expected out of a 20in carbine?

Any and all input is greatly appreciated, thanks!
 
http://www.tacticaloperations.com/SWATbarrel/
http://www.shootingtimes.co.uk/features/136776/How_important_is_the_barrel_length_of_a_rifle.html
http://www.bullberry.com/204Rugerdata.html

Here are a few articles I found while looking up barrel length, FWIW. Basic findings are that velocity will be affected by barrel length but accuracy will not.

As for bullet weight vs barrel length, that's beyond my experience. :)

As for easy accuracy mods, I just bedded my Rmmy700. Groups dropped from 1.5" or thereabouts to just under 1". It took an hour or two and before bedding I had not shot any 3 shot group under 1". After, I put 6/9 groups under 1" with average being .9". Even had two in the 1/4" range!
 
Awesome stuff TargetNorth! Thanks for this, I read all of them. It sounds like, just as you said, that accuracy is not effected with .308, but velocity suffers slightly. Though I don't think I'm gonna concern myself with 30 FPS differences :D

Now if only I can find some info on bullet grains affecting accuracy...
 
Shoot 180's and see what you get. I've found my 308 with a 18.5" barrel loves 150's, and 180's are all over the place. No 2 guns will shoot the same find what works and there's your answer. Try different types of ammo as well, one may be better than another of the same weight. I would far rather hunt with a lighter load I can shoot with confidence than second guessing at the moment of truth. And using a 150g nosler partition in my 308 I know it will do the job. Accuracy beats poorly placed power every time.
 
oh nice groupings.

Hey do you have mag misfeeds at all? Sometimes when I go to chamber a new round I get a dry feed. Only to find that the mag has come partially out from the shooting recoil. I havent tried hard slapping it in yet tho
 
Try hook the rear of the mag(nearest the trigger) into the mag well first and then push up with the front of the mag. It may help seat the mag proper. I had a few times where It did not latch in but would still feed the first few rounds.

PS- That is my best group so far;) I am going to try a 175 gr FGMM for my next few boxes till I can reload. I like my rifle lots! I tried 180gr Win silvertips too when I first got my Savage and the best was .86moa. The Match ammo makes a huge difference for target shooting! Cheap stuff opened it up to 1moa.
 
You will lose some velocity with a shorter barrel.
Barrel length does not affect bullet stability. It is the twist rate that determines what bullet weights a barrel will stablize. Since heavier bullets will leave the muzzle slower, a faster twist rate is required to give the heavier bullet enough RPM to remain stable.
Slow twist for light, fast bullets.
Fast twist for heavy, slow bullets.
 
oh ok that actually makes sense, how does one determine if the barrel has a slow or fast twist though? For instance this gun I'm using. I'm trying to find out what the best bullet weight to use would be
 
Yea I tried doing that when I was at the range, but it would still come loose after a few shots. But like I said I didn't slap it in, just pushed it until it clicked. At one point I was just chambering each round by hand lol

icedragonmx said:
Try hook the rear of the mag(nearest the trigger) into the mag well first and then push up with the front of the mag. It may help seat the mag proper. I had a few times where It did not latch in but would still feed the first few rounds.

PS- That is my best group so far;) I am going to try a 175 gr FGMM for my next few boxes till I can reload. I like my rifle lots! I tried 180gr Win silvertips too when I first got my Savage and the best was .86moa. The Match ammo makes a huge difference for target shooting! Cheap stuff opened it up to 1moa.
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Don't slap the mag, Just make sure the rear is inserted correctly and rotate the front in until it clicks. It may be that the rear is not all the way in when you click in the front.
Mine likes 168 gr, shot a .052 with sierra match ammo (3 rounds fired from a bi-pod) at 100m when I got it last fall.

I had mine bedded and the bolt timed by Mystic player and finally got to shoot it again today after re-mounting the scope and bases. Today was about re-aligning the scope and I didn't have much time so I didn't measure groups.
 
Hey guys,

I just recently bought this Savage 10 Precision Carbine, and I was wondering if I could get a second or 3rd opinion on the issue of short barrels and ammo types.

Now, while I was sighting in my rifle at the range last week a fellow shooter commented on how abnormally loud it was and that it's attributed to the short barrel not igniting all the powder before it leaves the tip. It makes sense if you ask me, but he also said that because of this I will notice a significant lack of accuracy due to bullet instability and that using a heavier grain bullet will slightly compensate for this.

Is this true or are there other steps I can take?

I should note that I'm actually very pleased with the consistent accuracy of the rifle at 100 yds. I was using Winchester SuperX JSP .308 150grain (just a cheapo paper pounder) and this is what i was shooting after 15 rounds of sighting:
Click to expand...

He's full of s**t. Don't pay attention to his ramblings. As mentioned, length has nothing to do with it. 20"-22" is just about ideal in terms of ease of handling, weight, and general all-around use.

I don't have experince with the ammo you're shooting but you've sort of given the impression that it's cheap paper-punching non-match ammo. Correct? Generally, you get what you pay for...Garbage in, garbage out.

If you're intention is to use factory ammo, you're no doubt going to want to try different brands, bullet weights, ect., in order to find what's best for your rifle.

As others have said, handloading is likely your most accurate and economical option to wring the most potential from what you have. Match grade 168's are the gold standard, I suggest you start there.

If I were you, I'd lose the bipod and properly bench the rifle with sand bags and a decent rear rest. Unless you have a great deal experience shooting from a bipod, you'll likely see more consistency in your groupings when using bags. Improving your shooting technique will make you a better shooter no matter what ammo you are using. Put lots of quality time in at the range to realize the true accuracy potential of what you have.

I wouldn't call your results posted here stellar. I suspect your rifle's potential for accuracy is far greater than this. You've only shot (15) rounds of ammo down range. Don't pat yourself on the back yet. You've got lots of work ahead of you yet.

Twist-smisht. Big deal. Your barrel's twist is irrelevant. It'll properly stabilize any factory loaded .308 Win. ammo that is available to you. You're worrying about nothing here.

Nice rifle by the way. Enjoy it.
 
2bad4u2 been hanging around with s**tty people, that why it effected his mental status as a person, I guess I was wrong last time that he is a ###ually Frustrated person, but I know that is Untrue, for a ###ually Frustrated person, it had to have the part.
 
Yeah I know its not awesome groupings :D,by no means was that a brag report.

I was shooting just from a bi-pod, next time I'll try the bench rests and use bags like you said. I just wish this terrible weather will go away!
 
PaintballGuy said:
Yeah I know its not awesome groupings :D,by no means was that a brag report.

I was shooting just from a bi-pod, next time I'll try the bench rests and use bags like you said. I just wish this terrible weather will go away!
Click to expand...

Yeah, poor weather and high winds do nothing for your shooting, especially when trying to get a baseline performance on your new rifle. At least you have some idea what the rifle is capable in less than desirable weather conditions.


GunBoy said:
2bad4u2 been hanging around with s**tty people, that why it effected his mental status as a person, I guess I was wrong last time that he is a ###ually Frustrated person, but I know that is Untrue, for a ###ually Frustrated person, it had to have the part.
Click to expand...

Sorry, my universal translator won't be ready until Stardate 2453. While I wait for it, could you have one of your butt pirate friends de-code your message and PM it to me?
 
anyone pull the action from the stock on the 10PC?? im wondering if the contact area between the action and stock are flush or if it only has a few contact points like the rem 700's?
 
candham12 said:
anyone pull the action from the stock on the 10PC?? im wondering if the contact area between the action and stock are flush or if it only has a few contact points like the rem 700's?
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Way to set a new CGN standard! How about asking once and then waiting long enough for someone to answer?

The PC10 action rest in a metal sub chassis within the stock. Take a allen key and have a look.

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Feb13-14001_zps7573bea6.jpg
 
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thanks, didnt know if anyone would look at those old threads. ill tame her down from now on. how much benefit would i get from bedding, or is this stock rigid enough?
 
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