Phaedrus/69
Member
Almost no round ever totally goes away.
Not sure if this is what you're looking for but they're popular in some circles: https://www.cavitybackbullets.com/product-p/cb-pri-mod-mag.htmI wish someone would develop a metal mag for the Six8 lower that would allow even longer COAL it would really open up possibilities.
I have a rifle built around an 18" ARP barrel and it is truly a tack driver. Ten rounds of S&B 110gr FMJ into half an inch at 100yds while zeroing the scope. I couldn't believe what I was seeing. When the current political climate changes for the better I'll get busy working up handloads to see if I can get even smaller groups - just for fun.. . . interested in getting a 6.8 barrel from AR15performance.
Not sure if this is what you're looking for but they're popular in some circles: https://www.cavitybackbullets.com/product-p/cb-pri-mod-mag.htm
I have a rifle built around an 18" ARP barrel and it is truly a tack driver. Ten rounds of S&B 110gr FMJ into half an inch at 100yds while zeroing the scope. I couldn't believe what I was seeing. When the current political climate changes for the better I'll get busy working up handloads to see if I can get even smaller groups - just for fun.
I'm a 6.8 fanboy. It sits midway between the 5.56 and .308 in terms of effective range and power which is perfect for the terrain here and the rifle's expected use.
I am seeing a bit on here about oversized magazine wells on the lwrc for the 6.8. If I go that route, I already have a lower, but its a mil spec stag arms. Would I have any issues with the 6.8?
So pretty much I would be limited to factory loads and hand loads up to 120gr?
I am seeing a bit on here about oversized magazine wells on the lwrc for the 6.8. If I go that route, I already have a lower, but its a mil spec stag arms. Would I have any issues with the 6.8?
From what I’m reading the six8 receiver just has a slightly larger mag well that allows for a wider magazine to let the cartridges stack better in the mag. The mags they use have the same internal length as the existing steel magazines so I don’t see how it’s going to change anything. So no you would not be limited to anything other that what your twist rate will stabilize.
The ARC fascinates me as well but according to rumors/reports it's hard to get it to feed properly from mags larger than 10 rounds.
Don't know, mine feeds fine from 15 Rd Grendel mags and honestly I usually use 10 rd for most Grendel and ARC shooting. My 6mm ARC is set up for longer range and my Grendel is set up for hunting, neither of those activities are high rate of fire propositions for me.
Almost no round ever totally goes away.
I read somewhere that 6.5 grendel mags work for 6.8 spc, is there any truth to that?No issues with a standard milspec lower just stick with 6.8 SPC specific metal magazines and your good to go. Don’t buy the magpul 6.8 SPC mags as they only work with the LWRC Six8 lower.
There is some ASC mags that I mentioned previously that allow for longer loading by design than others. But I’ve had good luck with all my 6.8 SPC specific mags I’ve used.
I read somewhere that 6.5 grendel mags work for 6.8 spc, is there any truth to that?
This is based off what I have heard from the grendel guys: but the x39 bolt in an ar has thin walls. I'd be kind of leery trying to hot rod that round in that gun. You might start shearing lugs off.
Or not.
I was very seriously considering 7.62x39. I love my sks and it is a great cartridge. It sounds like even better than I thought! I decided to go a different rout though because all of the horror stories about 7.62x39 ars
I'd rather have an extra tank of gas than to have my old SKS back.
I believe the .25-45 sharps ar round is gone and same with the Remington 30 AR! It’s a shame for the Rem 30 AR because I thought it would make a dandy deer rifle!
Well, I won't fault anyone for considering safety issues first, but I've never heard of an AR chambered in x39 blowing up. It's not so much about hot rodding, but rather bringing the cartridge up to it's full potential. The SAAMI standard for x39 is anemic... just plain wrong. Can't put it in any clearer terms. SAAMI is different than Europe's C.I.P. in that SAAMI is voluntary/advisory, while C.I.P. is mandatory.
The C.I.P. countries that import and allow citizens to posses AR type firearms in 7.62x39 could not do so unless that firearm passes the more rigorous C.I.P. pressure testing in one of the many proof houses in Europe.
After it passes it is then stamped with the mark of the proof house it was tested in. The pressure threshold is far... and I mean FAR above SAAMI for 7.62x39 and many other cartridges. If an AR chambered in x39 is going blow to pieces it would be during C.I.P. pressure tests, but the reality is they don't blow up over there either. Jamming and feeding problems are a real thing in x39 ARs. Success or failure depends on one's knowledge and skills.
Yeah true, I've heard the horror stories... mostly feeding and cycling issues with x39 in the AR. On the other hand I've seen the success stories.
I would be happy with about any of the calibers mentioned in this thread. If/when a person might want to experiment with x39 in an AR, the failures and successes combined present a wealth of knowledge and guidance when selecting components for a successful build. There's a certain satisfaction in being part of an elite that has success, when the naysayers are standing around scratching their heads wondering how you did it, because they insisted it couldn't be done.
The issues with an AR x39 are primarily gas port, feed ramp, and magazine quality related, and easily remedied. Of course the guys who give up before they start are never gonna know the thrill of it all.
Oh by the way, I like the SKS. I remember seeing nice Yugos advertised in Shotgun News back in the day after I'd bought my Mini-30. I still kick myself for not buying one back when they didn't cost much more than a tank of gas for my Chevy Blazer.
.25-45 is still available as loaded ammo and easy to make from 223 brass.
30 AR is not completely extinct yet but it’s in hospice. Remington still makes the brass every few years. It’s a real shame that one fell by the wayside because I would love to have one along with about 500 cases. I think that one was about 10 years ahead of its time. People weren’t quite ready for the idea of deer hunting with an AR15 it seams but that idea has truly come of age.
I am seeing a bit on here about oversized magazine wells on the lwrc for the 6.8. If I go that route, I already have a lower, but its a mil spec stag arms. Would I have any issues with the 6.8?
So pretty much I would be limited to factory loads and hand loads up to 120gr?
No issues with a standard milspec lower just stick with 6.8 SPC specific metal magazines and your good to go. Don’t buy the magpul 6.8 SPC mags as they only work with the LWRC Six8 lower.
There is some ASC mags that I mentioned previously that allow for longer loading by design than others. But I’ve had good luck with all my 6.8 SPC specific mags I’ve used.
While this is true, when you start loading bullets heavier than 120 grains you start to take up space inside the case. So far, my rifle performs best with 115 -110 grain bullets loaded near maximum case capacity/published data limits. When I back off on the charge, the groups open up. Might be worth trying. I haven't tried 130 grain bullets.
I think if a man can still find .25-45 then I wouldn’t worry about finding 6.8 spc or 300 hamm’r in a few years if your truly worried buy 1,000 rounds and enough stuff to reload 5,000 rounds and you should be good to go in all seriousness as a hand loader I do think about these things and try to buy stuff in bulk when I can!