Home Forums Hunting & Shooting AR and Tactical Rifles Side charging upper came in !

Hey BSA,
Revisited 0.030 off, and wasn't impressed. Then shot 0.020.
Shot 3 felt good, but ?
So gonna try again.

.020" off definitely looks better. You sure that is optimum charge weight? Hopefully your back if feeling better buddy. I shot a match yesterday, thinking my ribs were pretty healed up and nope!!! Started feeling it right away. Shooting prone off of a cement pad sucks!!! Well, we had a thin mat to lay on, but that didn't help the ribs much. ha ha.. Glad to see your rifle looks like it has potential.

Back won't be better til up coming surgery.
I can fiddle with powder if I can't get a max charge shooting with oal changes.
Gonna try to go shoot tomorrow.
Doc appointments filling the week starting Tuesday.

So I scored some factory Hornady ammo.
The wind is gettin it here, with some pretty strong gusts, but I had to shoot again today.
6mm ARC, Ballistic Advantage barrel on a BCA side charging upper.
Since it's not ideal conditions I only shot 3 of each to see. 1st pic, 105's, second pic, 108 eldm's, and 3rd is a reload I tried with varget, and 105's set at 0.020 off. The 2 shots touching is my 90gr ballistic tip load. The 1 in the circle was aimed there, after a 2 click up adjustment. 1 click left after the shot to call it good.

Not bad buddy. I hear you about the wind. It has been gusting here too. I've been trying to fine tune an old rifle that I just bought. I almost gave in and shot some 3 shot groups today because of the damn wind. I tried to compensate and hold over a bit, ended up fn myself and the group, but shot one I was pretty happy with. Only testing some loads I had on hand for my other rifles. Next will be load development for the old girl... Your arc is not doing bad. I'm surprised Auk and the others are not chiming it on your thread.

If you are looking for small groups at the range, I would think about maybe snugging 108 elds up to the lands if your barrel allows, and running them fast.

I never could get great groups with 105 bthp hornadys, but I think I found an moa group with the Shooters World Varget clone. Not fast though.

If I remember right, my best groups were with Berger 95s in a slotted mag, ran fast and snug on the lands, and 108 elds on the lands ran fast as well.

A surprisingly decent bullet for groups on paper was Hornady's 95 SST or whatever they call it. If I remember right it wasn't much trouble finding a moa group for paper punching, and at least at the time I was playing with bullets, it was a little cheaper and easier to find than other stuff.

Sometime I need to try some Berger 108s or 109s, whatever they are. But I settled on the 108 elds as being plenty good enough for me.

I bought 200, 105's, and just bought 2 pounds of leverevolution.
I am playing with the 6 arc as a range toy, and planning on using my Grendel for hunting.

Another one that might be worth trying is the Sierra 107. I need to try that one sometime myself, just for giggles.

Lever evolution shot best in my barrel. If you don't have any luck with Lever, try some cfe 223 or blc2. But I am betting you will find a good load with Lever and one of the 95 grain bullets, or one of the 107-108-109 class.

Varget and 90 gr ballistic tips are shooting great. A bit slow tho.
Gonna try some 105's at factory oal, and see how that shoots.

If you want speed you better find some leverevolution, 2520 or CFE 223, even then you will be disappointed in the velocity. Should’ve found a 22-24 inch tube. I pulled factory ammo and weighed the charges and it lines up with leverevolution data hornady has listed. I have notes on my foray into the 6 ARC adventure. I eventually chit canned the whole project and bought me a 18inch 1-6.5 twist 224 Valkyrie barrel. I can shoot 88’s at the same velocity as the 6 ARC does with 105-108’s.

I'll take the 224 Grendel over all of it. Vastly superior brass,shorter case and more bullet,in like COAL and at greater velocity. Hint.

Lever' is of course where it's at and it's a mainstay in a coupla dozen High Zoot Rifles. Kiss,find pressure and rock on...if only as per always. Pass the Lapooey brass and hold the Fluff. Hint..............


Edit: gotsta' be better than 3-dozen rifles,after a re-thunk. 223,223AI,224 Grendel,22 BR,224Wby,270,243 Grendel,6 BR,264 Grendel...offa the top of my head.

I need to build a 224 Grendel and call it a day. The Valkyrie can be a finicky mf’er and brass is iffy. Like to be able to use lapua for my brass that’s what makes the 224 Grendel even more appealing.

Edit to add in a AR platform. Bolt gun I just build a fast twist 223 to shoot thd 88 eld-m.

I have 2 pounds (the limit) of leverevolution on its way.
So Stick, you saying your loading the 105's right at the start of the rifling?
No set back ??

The magazine is going to dictate the OAL. If using ASC stainless steel mags you can seat out to 2.310-2.315ish. I would start from their and seat in how many thousandths increments be it .005 or. .010, best thing if you don’t have a pile of bullets or powder is to use Berger bullets method. Using 2.310 as your starting point
6-2.310
6-2.260
6-2.220
Shoot 3 shot groups not 6 shot groups. Yeah I know 3 shot groups but this how Berger recommends doing it.

I bet the sweet spot is between 2.260-2.310.

I was getting my best Around 2.270-2.290 when the rifle would shoot.

Factory 105's shot under an inch, so I thought of trying that oal length too.
Don't know what it is right off the top of head. Pain pills make me stupid !!

Repost...if only to keep someone from getting hurt. Hint.



"It is VERY fhuqking easy to simply Start At The Fhuqking Start and KNOW what is doing what and more importantly why. Hint.

Headspace CONTROL and seating depth,are the two greatest benefits to Reloading,but folks line up for miles to disregard both for "reasons" I'll never fhuqking understand. Hint.

Positive headspace is finite control of Virgins and subsequent firing(s). Less control,ALL bets are off. That in regards to accuracy,precision,case life and safety. If brass chambers less mechanical(felt) resistance,you should be scared to fhuqking death. NEVER move more brass than is requisite to establish same and thus the impetus to START with positive headspaced false shoulders. Hint.

Conjoin same with a Smooch and all starts straight,by literal default. Accuracy,precision,case life and safety are all greatly bolstered. Given that headspace is obviously fhuqked up,you are certainly over gassed and driving too much cyclic rate to boot. I like heavy buffers,for more than a few reasons,as they are more static than Adjustable Blocks,which suits my applications best. Hint.

If only again,Scotch Tape and a Sharpie will reveal all. Hint................."

Old thread I know, but I feel like this knowledge below would benefit me. Can someone who speaks Stick please translate, to help my thick head learn?

Ain't nothing in there that you won't find in a reloading manual. In English.

In plain text, only squeeze your brass down enough to chamber tightly. Start long, and slowly adjust down to when your brass will chamber. It now sits tight to the chamber dimensions.
Then test seating depths. Start at 0.010 off, and go back .005 .(my way) You'll find a depth your barrel will like.
I hope I typed this easy enough to understand ?

Thank you! I actually did know that, turns out. Ha.

Now what is this about scotch tape and a sharpie?