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@TheOE800 yes, I used a springco green and an a5h1. Between that and the heavier bcg it was too much mass for the gas system.

@TheOE800 I just put the first rounds down a Proof cf 14.5” 6 arc AR today and had some gas related issues. Using a proof cf 14.5” 6 arc barrel, Geissele gas block, CMC enhanced bcg, and an A5H1 buffer it had cycling issues and would not pick up the second round from a magazine. I tried several...

Has anyone used a Surefire socom762-ti2 or a socom300-sps suppressor with the 6ARC?

The WC recon barrel shows to be 11 oz lighter than a Proof SS and just a few ounces more than a Proof CF. And a much better price... Hope WC starts selling 14.5" 6ARC barrels soon!

Yes

18" SS from Proof and a 12" Barrel from SixFiveArms. Think I have these rifles set up the way I want them. Waiting for 200 rounds of Factory 108's to arrive so I can take them both out to 1000K and see how things go.

I’d just like to say thank you to everyone for sharing so much knowledge regarding this cartridge. I tried a 12” 1/7 from Six5Arms. I went off Gundoc’s data for an 11.5 and took it out to 700 after a quick zero. 7 mils to 700 yards with factory 108’s was ridiculously easy And fun.

SBRSarge thanks for that update on the 12” from SixFiveArms. I ordered one as well. If you have velocity data for the 108’s and 105’s I’d love to hear it. Thanks.

Sold to SandiegoReloader27. First solid I’ll take it.

Scope (A) Price reduced to 1700 shipped with rings. (No Scope Caps) Scope (A) has been through several sniper schools. Has minor cosmetic blemishes but in excellent shape and functions perfectly.

Scope (B) Sold/Traded

Sounds good. I’ll send you a PM.

Two Scopes: 2 Premier Heritage 5-25x illuminated, Gen2 XR Mil/Mil with Nightforce/Leupold Mk4 rings. (Both scopes covered by Tangent Theta) Scope A: $1,700 with Mk4 Rings *Scope B: $2,200 (SOLD/TRADED) Trades accepted for Mk5 3-18x, 5-25x, 7-35x w/ H59 or Tremor3. Both scopes have excellent...

Beautiful 6mm ARC from Spartan Precision Rifles. 18” Proof stainless barrel, Geissele Mk16 rail and trigger, Surefire 6.5 Warcomp, NXS 2.5-10x 42mm. Looking forward to zeroing tomorrow with some factory 108’s. (Using my old moleskin’d Sopmod until I can find a B5 adjustable)

The barrel lasted to right about 3,000 rounds. Rebarreled with a 22” Whitley Palma profile, great balance and accuracy.

Ormanj, Do you mind posting a table of your results at your DA. I’d like to compare it (entering the same MV/DA) to see if I’ve somehow messed up my inputs or data? Thank you.

Can anyone help with the pros/con of a 16” or 18” barrel for a 6 ARC build (AR not Bolt). How much distance will 50 fps make before dropping into the transonic range? I’m not a hunter just so it will be for target shooting and maybe competition. Just relocated to Western North Carolina and am...

Pulled the barrel nut off of the Field Grade barrel and got to work... 1. New Krieger at 27" will most likely cut it to 24" and see how it feels. It still balances nicely even this long. 2. Turned down and polished the Krieger barrel extension mic'ed it perfectly... Such a sweet fit. 3. Feed...

I just got in a Krieger (AR10) 6.5 1/8 blank. My 6.5 creedmoor R700 has a 22.5" barrel and pushes the burger 140's at 2830. I was thinking to cut this new barrel for my tOBR and canabalize the field grade parts. I've read through your posts and wanted to know if there is anything that you...

It was an NRA Highpower Match rifle in a Master Class stock. Match rifle was not for me, I stayed with service rifle. Jim's work was great.