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Craddock Precision 6 rifle, 6.5 Grendel test day - Pangris 13.9" Mod 1, 14.5" Mod 2, and 18" RTR

pangris

I see infrared radiation
Full Member
Minuteman
Supporter
  • Feb 25, 2006
    372
    407
    LA/TX
    It finally happened. I've tried to do this for months, and the fourth or fifth time was the charm between weather, work conflicts and methodology problems.

    First, huge thanks to Ben of Roaming Shot in Slaughter, LA. Ben runs the best 1,000 yard range in the region that I'm aware of - air conditioned with an expert and a work bench close at hand.

    As is known, I'm a fan of the 6.5 Grendel, and I own a few examples of it - over the years, between builds and group buys and so forth, I apparently made enough of an impression on Mr. Craddock that he named a run of barrels after my likeness. I have no interest or commission from these, and it may have been a shrewd business decision on Craddock's part to get me and my friends to buy even more. It worked - then Murphy's law kicked in. The initial barrels that shipped had a problem from the factory. When they realized the issue, Paul proactively contacted customers, got them back, and replaced them.

    So, getting mine built took a minute longer than I'd hoped, but the wait was more than worth it. Between me, my sons and our hunting buddies we ended up with three sets of twins - (2) 13.9" with a .625 thickness Pangris Mod 1's built on Thunder Ranch edition Aero matched sets, (2) 18" .750 fluted RTR's that are rebarreled SOLGW rifles, and (2) 14.5" .750 fluted Pangris Mod 2's, one built on a Battle Arms Ultralight matched set, one built on an Aero green anodized matched set, both with Smoke Composites furniture.

    To make a long story short, my first couple trips to my home range were unsatisfying. I have an SWFA SS 20x I use as a reference scope, and I couldn't get the type of group I expected based on my prior experience with Craddock. I'd have a three shot clover and then I'd throw one or things would open up. One method problem was rushing - with one scope, once I dialed in "ish" at 50 and moved to 100, the barrels - particularly the skinny ones - were just not producing the results I hoped for.

    So today, we used multiple reference scopes and shot others in between, i.e. they cooled down for at least 20 min between strings. The result, praise Thor, was excellent. Ben proved all 6 barrels were shooters. We started with Hornady 123 ELD and it provided 1" or less in the first 4 rifles. My BAD 14.5" eats ELD-V 100 gr and that also went MOA or better for 5 shots. I was very happy in general.

    Naturally, number 6, one of the 13.9" .625s did not cooperate. As a matter of fact, with Ben behind the trigger, he was vocally surprised at the size of the groups, so we let it cool down again and shot some other stuff - and then printed about 10 shots that were the worst of the day, probably a 2.5" vertical string, and over an inch wide. We decided to let it cool again and then try another type of ammo. In the most significant display of ammo preference I've ever seen, 30 minutes later it put 5 rounds of Nosler 120 gr into about half an inch. Pictures labeled "Ammo matters" are the same gun back to back. I would not have taken that bet, but I watched Ben put Noslers through the same hole twice. I had been ready to throw that rifle in the river on previous trips. It further reinforced to me that it takes not only skill but time, equipment, various ammo and the physical resources to really determine what a rifle can do.

    I'm happy to say we also ran my sons' Craddock bult AR-10s which I had about given up on - to the point I offered them for sale because we couldn't get them to run reliably with a can - but dual ejector bolts have turned them into boringly reliable hammers. To be clear, he built the uppers on my parts to my spec previously so I got what I asked for. The Shilen barrels he turned for those have always been laser beams.

    Last but not least, we played with the Athlon Cronus CL35 640 and it continues to impress. This unit has a built in laser range finder, ballistic calculator, 10 profiles etc etc - but what had me baffled is it has yet to require zero'ing across multiple rifles to be minute of pigyote from the word go. I need to work up a precision protocol and determine reliability and so forth - but - in short, I'm sold. I put it in front of my 20" Noveske with a VX6 HD 3x18 50mm and a 12.5" Noveske with a VX6 HD 1-6 with a 30mm tube and it shot dead center with the 1-6, about 2" high with the 3-18, and then did it again cycling on and off. Very, very impressed.

    Solid day at the range - thanks to Paul Craddock for building me some of my favorite guns, thanks to Ben of Roaming Shot for building a 1000 yard range and being so generous with his skill set, and thanks to my sons and hunting buddies for the loaners so we could put lead through paper. Oh, and to Athon for the T&E unit, although I don't think they are getting it back at this point.

    Due to the nature of the range, target photos are with a cell phone through a spotting scope, apologies for the quality there - but - I'm satisfied that with a little more effort re: ammo selection and break in, they should all hang with the best of them.
     

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    Last edited:
    Roaming Shot is a little piece of heaven.

    I was somewhat surprised one of the 13.9" skinny barrels turned in the best group of the day - the first three rounds were legitimately same hole with the Nosler. I need to play with that ammo some more - it is slow, so I've been biased against it, but so many people have told me how well it performs on meat that if it is a half MOA shooter in a very light gun... sometimes you have to listen to the universe.
     
    That’s great news! I’ve got an 18” RTR, a 13.9” RTR regular 0.750 diameter, and just ordered a 14.5” RTR for another build. I tried some load development with the 110 grain Lehigh match solids, but the only accurate load had a velocity you would expect from 123 grain loads. I’m going to try again and make sure the problem wasn’t me, but I also grabbed 500 123 grain Lapua Scenar since the factory loaded ammo shot sub MOA in both rifles.. but was also quite a bit slower than I had hoped. The cartridge is pretty amazing if you can find a load it likes and the RTR barrels are a steal IMO. Funny part is both the 18” and the 13.9” were intended to be piston builds, but in both cases it didn’t work (upper too tight in the 18” and handgaurd too narrow in the 13.9”) so it turns out my girl will be getting the piston 6.5 Grendel I wanted Lol! The nice part is it can do double duty for run and gun (hopefully with the Geissele mags) and it can reach out to 800 yards since long range and tiny groups is really her thing.
     
    When I told a buddy about the differential between the Hornady ELD 123 and the Nosler 120, he told me he's had over an inch variance based on primers only. Its a hell of a thing getting your own formula right, but a hobby with reward of its own when you find that combo.

    Seeing 5/6 barrels go MOA or better with the first Hornady ammo we fed them really makes me feel like dusting off the ol' reloading gear. I've got enough components to get serious about it, but with factory Hornady doing MOA or better in general I haven't had any pressure in practice.
     
    Nice work. Glad your builds turned out to be shooters. I’m happy with the 2 18” RTR Grendels I have.

    I feel ya on the reloading vs Hornady ammo. It’s hard to justify the time when the 123ELD’s usually shoot as good as they do across so many guns.

    Neither of the RTR barrels I have like the 100 gr ELD-VT ammo. I get 1.75-2 moa with it vs .75-1 moa from the 123’s. Ammo definitely matters.
     
    I’ve always been shy of polymer tips in semis due to the claims of feeding issues and deferred tips. Given the more finicky nature of 6.5 Grendel I hadn’t considered using them. I’ve been wanting to try the Geissele mags for reliable feeding with larger mag capacity. I just found a couple 30 rounders available so I’m hopeful. I’d love to be able to use the Grendel for run and gun stuff. Less recoil and blast than 308 with more range and energy than 556. I need to see it the 30s fit reasonably in my plate carrier or if I need the 20s (which are currently OOS).
     
    I’ve never had an issue with broken or deformed polymer tips in gas guns. I shoot them in 556, 6ARC, 6.5 Grendel, 6.5Creedmoor, and 308.

    I’m sure it happens though and if my life depended on eliminating as many possible failure points as possible I’d probably skip them and shoot otm’s.

    All of my Grendels and ARC have fed 100% with 15 round Duramags.