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Feb 12th, 2024
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 5.56 Ammo for SBR
#6322302
06/04/16 12:59 PM
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Joined: Jul 2014
Posts: 6,321
onlysmith&wesson
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THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Jul 2014
Posts: 6,321 |
Haven't shot anything but 55gr. through my SBR. Not bad, but would like to know if I'd be improving accuracy if I went up in bullet weight. Barrel is 9", six grooves 1/10 twist. Anybody shooting through this barrel?
An unethical shot is one you take, that you know you shouldn't.
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6324088
06/05/16 11:08 PM
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Joined: Aug 2011
Posts: 13,415
jdk1985
THF Celebrity
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Joined: Aug 2011
Posts: 13,415 |
1/10 twist is pretty slow. Generally speaking, you will not be able to increase bullet size very much and retain stability. You could maybe get to 60 or 65.
It usually takes 1:7 - 1:9 to stabilize the 75+grain bullets.
Instagram @justinkingwoodworking
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6324271
06/06/16 01:53 AM
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Joined: Jul 2014
Posts: 6,321
onlysmith&wesson
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THF Trophy Hunter
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Thanks for the info. Gun shoots way better than I expected, just wanted to know heaviest bullet I could shoot. I can stay with the 55gr V-max.
An unethical shot is one you take, that you know you shouldn't.
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Re: 5.56 Ammo for SBR
[Re: jdk1985]
#6683585
02/22/17 04:41 PM
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Joined: Jul 2014
Posts: 6,321
onlysmith&wesson
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THF Trophy Hunter
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Shot some 65 gr. Groups opened up to about 4". Was with a buddy that had a bunch of ammo to burn up. I thought so, but now know so. 55 gr it is. 1/10 twist is pretty slow. Generally speaking, you will not be able to increase bullet size very much and retain stability. You could maybe get to 60 or 65.
It usually takes 1:7 - 1:9 to stabilize the 75+grain bullets.
An unethical shot is one you take, that you know you shouldn't.
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6683650
02/22/17 05:23 PM
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Joined: Sep 2009
Posts: 18,934
ChadTRG42
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Joined: Sep 2009
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1:10" twist is a slow twist for an SBR rifle. With the reduced velocity of the SBR and slower twist (i.e. less bullet stability), I would keep bullet weights on the light side, 60-65 grains or less, for sure.
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6683700
02/22/17 05:51 PM
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Joined: Jul 2014
Posts: 6,321
onlysmith&wesson
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THF Trophy Hunter
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 Shoots 55 gr. great, just wanted something heavier. I may actually try and put a hog down with this someday.
An unethical shot is one you take, that you know you shouldn't.
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6683825
02/22/17 07:11 PM
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Joined: Feb 2017
Posts: 247
2hellandback
Woodsman
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Woodsman
Joined: Feb 2017
Posts: 247 |
lol better go down not up in grains.... 50s and 40s
OH and forget hogs over 50 lbs,,, shoot the babies
Last edited by 2hellandback; 02/22/17 07:16 PM.
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6683833
02/22/17 07:18 PM
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Joined: Jul 2014
Posts: 6,321
onlysmith&wesson
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THF Trophy Hunter
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That's what I was thinking, but I'm good at 55 gr. Barrel is actually 8.75". Shoots 55 gr. great, just wanted something heavier. I may actually try and put a hog down with this someday.
An unethical shot is one you take, that you know you shouldn't.
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6683866
02/22/17 07:47 PM
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Joined: Feb 2017
Posts: 247
2hellandback
Woodsman
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Woodsman
Joined: Feb 2017
Posts: 247 |
That's what I was thinking, but I'm good at 55 gr. Barrel is actually 8.75". Shoots 55 gr. great, just wanted something heavier. I may actually try and put a hog down with this someday. Is that a 10 round mag ?
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6683893
02/22/17 08:06 PM
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Joined: Nov 2012
Posts: 15,637
QuitShootinYoungBucks
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THF Celebrity
Joined: Nov 2012
Posts: 15,637 |
Looks like a fun rig! No suppressor?
![[Linked Image]](http://www.katiecortese.com/wp-content/uploads/2012/10/texas-tech-logo-2-150x150.jpg) https://web.archive.org/web/20170223065011/http:/www.rrdvegas.com/silencer-cleaning.html
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Re: 5.56 Ammo for SBR
[Re: QuitShootinYoungBucks]
#6683903
02/22/17 08:18 PM
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Joined: Jul 2014
Posts: 6,321
onlysmith&wesson
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THF Trophy Hunter
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No. It must be loud, I get comments every time I take it to the range. There is very little to no recoil and feels kinda like a ruger 10-22 when it cycles. Looks like a fun rig! No suppressor?
An unethical shot is one you take, that you know you shouldn't.
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6684543
02/23/17 07:24 AM
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Joined: Mar 2011
Posts: 2,062
Toxarch
Veteran Tracker
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Veteran Tracker
Joined: Mar 2011
Posts: 2,062 |
The people at the range are right. 5.56 SBR is very loud. I hate being around them.
It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger.
� Dwight D. Eisenhower
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Re: 5.56 Ammo for SBR
[Re: Toxarch]
#6684546
02/23/17 08:11 AM
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Joined: Feb 2017
Posts: 247
2hellandback
Woodsman
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Woodsman
Joined: Feb 2017
Posts: 247 |
The people at the range are right. 5.56 SBR is very loud. I hate being around them. Yes very loud you might not be able to hit your attacker but the sound will make them run !!!!! And i have noticed the ROs take a couple steps back when i shoot mine at carbine competition
Last edited by 2hellandback; 02/23/17 08:11 AM.
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Re: 5.56 Ammo for SBR
[Re: 2hellandback]
#6685909
02/24/17 03:50 PM
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Joined: Jul 2014
Posts: 6,321
onlysmith&wesson
OP
THF Trophy Hunter
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THF Trophy Hunter
Joined: Jul 2014
Posts: 6,321 |
Yes. It came with a 20 which gets in the way at the range, and bumps into everything the rest of the time. Wasn't too hard to find, one of the few US distributors is close to me. That's what I was thinking, but I'm good at 55 gr. Barrel is actually 8.75". Shoots 55 gr. great, just wanted something heavier. I may actually try and put a hog down with this someday. Is that a 10 round mag ?
An unethical shot is one you take, that you know you shouldn't.
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Re: 5.56 Ammo for SBR
[Re: onlysmith&wesson]
#6686242
02/24/17 09:59 PM
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Joined: Feb 2017
Posts: 247
2hellandback
Woodsman
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Woodsman
Joined: Feb 2017
Posts: 247 |
Yes. It came with a 20 which gets in the way at the range, and bumps into everything the rest of the time. Wasn't too hard to find, one of the few US distributors is close to me. That's what I was thinking, but I'm good at 55 gr. Barrel is actually 8.75". Shoots 55 gr. great, just wanted something heavier. I may actually try and put a hog down with this someday. Is that a 10 round mag ? LANCER WARFIGHTER best mags ever made to date !!!
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