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Experience with the 6.8 SPC with 110-130 rgn bullets
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Picture of Mike_Dettorre
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What were your accuracy and velocity results? In what type of rifle?


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10169 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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Picture of Cliff Lyle
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I hope we get some discussion on this caliber. There are some who feel it will be the next service round but I don't know. I have a lower that I am saving for a 6.8 spc but I'm not moving too fast on getting it built. I guess I'm still not sold.
Any experiences out there?
 
Posts: 2155 | Location: Oklahoma | Registered: 03 October 2006Reply With Quote
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Someone has taken some whitetail with the x-bullet or accubond?
 
Posts: 231 | Registered: 04 December 2005Reply With Quote
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Tons of info here: http://www.68forums.com/forums/index.php


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Posts: 2018 | Location: Colorado | Registered: 20 May 2006Reply With Quote
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Picture of Charles_Helm
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quote:
Originally posted by Jim Manion:
Tons of info here: http://www.68forums.com/forums/index.php


This.
 
Posts: 8773 | Location: Republic of Texas | Registered: 24 April 2004Reply With Quote
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I have shot a rem 700 sps in 6.8 and a match ar in same.The hornaday loads seemed more accurate than the rem factort stuff.
I didn't shoot at varments with them just broke the barrels for the man(he brought me about 260 rounds)and I did have fun.Wish I could talk him out of the rem .
 
Posts: 1371 | Location: Plains,TEXAS | Registered: 14 January 2008Reply With Quote
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When talking 6.8 you cannot look at SAMMI. Rem really FUBAR'd this chamber. Seek the SPCII or DMR chambering specs.

I have 3 AR's in 6.8 and they are the bomb. SMK is not as accurate as the Sierra Pro Hunters. Pro-hnters are great on game. The TSX are awesome but the TTSX are to long. Barnes cam,e out w. a 80 or 90 gr offering -- havent triend it so cant remember. The 110gr Accubond is awesome.

I love this round so much -- and my fav is 30-06AI -- I have a Stiller Precision Predator action on order to make it into a bolt gun.

IMHO best deer n pig rifle u could ever ask for. My accuracy out of my AR-'s has been .5 from 2 with pro-hunters and H322 and Accubonds same. More often I'm looking at .75. Barrels are 18 and 20" and the chamber is the SPCII. The 3rd is a Bushy barrel w. SAMMI chamber and I'm at 1.5MOA.

For what its worth you have to see this round kill game to believe it. I've only chronied a few times w. 6.8 and IIRC 115gr or 110gr H322 got me to the 2850-2900mark. Be sure the published data using the SAMMI chamber is more like 2600 or so.

Anyway, cant wait to get my bolt gun running!!!!!!!
 
Posts: 969 | Registered: 13 October 2009Reply With Quote
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Picture of Buglemintoday
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Anymore experience on this that you would like to share? I've joined the 6.8 SPC wagon as well and trying to decide on bullets for Coyote/hogs/deer sized game. Accubonds or ProHunters


"Let me start off with two words: Made in America"
 
Posts: 3326 | Location: Permian Basin | Registered: 16 December 2006Reply With Quote
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I have a 6mm Hagar which is based on the 6.8 parent case. Gun is an AR with a Krieger 24 inch bbl. My only complaint is that I have seat VLD bullets really deep in the case - below the ogive. My goal was to create a long range AR gun. Shot a lot at 500 and a bit at 800 so far.


Don't Ever Book a Hunt with Jeff Blair
http://forums.accuratereloadin...821061151#2821061151

 
Posts: 7581 | Location: Arizona and off grid in CO | Registered: 28 July 2004Reply With Quote
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How was it at 500 AZ? 800? What brass are you using? Small or large primer?

Lots to learn on this caliber!


"Let me start off with two words: Made in America"
 
Posts: 3326 | Location: Permian Basin | Registered: 16 December 2006Reply With Quote
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quote:
Originally posted by Buglemintoday:
How was it at 500 AZ? 800? What brass are you using? Small or large primer?

Lots to learn on this caliber!


Takes a small rifle primer. Shoots about 3-4 inch groups prone off the bipod at 500. At 800 I did well, but got bit of vertical stringing (saw it at 500 to some extent). Honestly, I haven't had time to play with it as much - competing priorities (guns).


Don't Ever Book a Hunt with Jeff Blair
http://forums.accuratereloadin...821061151#2821061151

 
Posts: 7581 | Location: Arizona and off grid in CO | Registered: 28 July 2004Reply With Quote
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I have three 6.8 uppers, from 16" to 20". It's a good AR round for deer and hogs. For me, the Barnes 95 grain ttsx has proved very effective. I load with A2200 powder in SSA cases and cci milspec primers, 2.3" oal. From my 20" 4 groove ratchet rifled Shilen barrel my load produces slightly over 2900 fps, no pressure signs.


"For they have sown the wind, and they shall reap the whirlwind..."
Hosea 8:7
 
Posts: 579 | Location: Texas | Registered: 07 January 2015Reply With Quote
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I have one and I've reloaded 110 Hornady BTP, 115 Nosler BTHP, 110 TSX, 100 Accubond, 120 Hornady SST.

For hunting bullets in your range, the 110 Accubond, 110 pro-hunter, 120 SST will work well. You will realistically get +/- 2600 fps with 110 grain, +/- 2500 fps with 120 SST and +/- 2400 with 130 grain bullets from a 16" barrel.

130s really aren't that great with limited space because the ones that will fit in a magazine usually have a poor BC. If you are shooting under 200 yards, a soft bullet like a core-lokt would work.

I've had good accuracy with all the bullets I've tried.



 
Posts: 1941 | Location: Texas | Registered: 19 July 2009Reply With Quote
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Picture of Buglemintoday
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Thanks for the response Scott! I almost pm'd you after reading some old threads about this cartridge but bumped this post instead.

On the 6.8 Forums there is a large SST following. I've never used them and have usually loaded Sierra, Nosler or Speer.

Can't wait to get a scope on this thing and get to the range


"Let me start off with two words: Made in America"
 
Posts: 3326 | Location: Permian Basin | Registered: 16 December 2006Reply With Quote
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Picture of scottfromdallas
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quote:
Originally posted by Buglemintoday:
I've never used them and have usually loaded Sierra, Nosler or Speer.

Can't wait to get a scope on this thing and get to the range


Sierra Pro Hunter or Nosler Accubonds should work fine. Personally think Nosler should come out with a 110-120 Ballistic Tip because you don't need bonding at 6.8 SPC velocities.



 
Posts: 1941 | Location: Texas | Registered: 19 July 2009Reply With Quote
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I have a 16" AR 6.8 and my go to load is the same as above, 95gr TTSX loaded over 2200. It is nothing spectacular but kills stuff dead and penetrates fully, out to about 350 yds. It may kill stuff further but that's as far as I have taken it with full expansion.
I have a bunch of factory loaded 110gr Vmax that really does well on hogs and deer. As Scott mentioned you don't need a bonded bullet at 2,600ish fps. Along that same line of thinking the Vmax does very well at those velocities. I have recovered several perfectly mushroomed bullets. I assume the Vmax was designed to be driven 3,300 fps out of a 270 win. Slow it down to 2,600 and it acts like a cup and core medium game bullet.

Perry
 
Posts: 2252 | Location: South Texas | Registered: 01 November 2005Reply With Quote
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I shot two whitetail bucks with the TTSX load (about 2,850 fps) last weekend. Both shots were slightly behind the shoulder, heart shots. Both animals bucked and ran 25 yds then piled up. Blood trails were ok but nothing crazy, very little meat damage.
After dark I shot a hog about 325 yds out in an oat field, big boar. Shot him directly through the shoulders and took out his lungs. He went straight down, squealed and kicked for about 15 seconds then was dead.
In factory ammo I have SSA 110gr TSX, 110gr Pro Hunters, Hornady Vmax 110gr, Federal 90gr Gold Dots and one other 90gr bonded ammo. All have worked equally well on game. The SSA 110 TSX is a pretty mild load so the expansion threshold comes into play pretty quick, like 250 yds maybe. From the reading I did that was the reason for the 95gr TTSX development.
The Pro Hunter is relatively unimpressive but gets the job done. It is my least favorite load for performance.
All the factory 110's have a muzzle vel of about 2,550 out of a 16" AR.
Perry
 
Posts: 2252 | Location: South Texas | Registered: 01 November 2005Reply With Quote
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Picture of Mike_Dettorre
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perry.

Couple of questions...

Do you have a 6.8 spc or a 6.8 spc 2

and what kind of velocties were you getting with the Barnes 110 TSX.

Thanks,


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10169 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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for accuracy = 100 speer with H322 out of a thrifty gunshow 6.8 upper, moa all day. no idea if it's SPC or SPC2 etc...
 
Posts: 6526 | Location: NY, NY | Registered: 28 November 2005Reply With Quote
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My chamber is spec 2.
The 110 TSX load is factory SSA, maybe 8 yr old ammo. Velocity is about 2500-2,550 fps if I recall. I have never reloaded the 110 TSX.

Perry
 
Posts: 2252 | Location: South Texas | Registered: 01 November 2005Reply With Quote
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I have often thought that a bolt gun 6.8 with a 16" suppressed bbl would be about a perfect hunting rifle for deer and hogs. An AR is fine but I just prefer a bolt gun when deer hunting.

Perry
 
Posts: 2252 | Location: South Texas | Registered: 01 November 2005Reply With Quote
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I had a custom one off Ruger M77 in that cartridge. With the 110gr V-max factory loads it would shoot 2550-2600fps from a 20" barrel, sub MOA. Killed several deer with it, all one shot stops with 1/2-3/4" exit holes. The V-max was designed to shoot at 3300fps out of a 270Win, at the 2550-2600fps start out, it was more like a CoreLock or Gameking.


Captain Dave Funk
Operator
www.BlaserPro.com
 
Posts: 842 | Location: Dallas, Iowa, USA | Registered: 05 June 2004Reply With Quote
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