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DeLane Development Group Rimfire Ventures

I talked to a barrel manufacturer test crew about it. Basically said the same thing. I guess if a guy could buy points on very small targets past 200 it would be hard to resist. I just did a 5 shot centerfire group at 400 the other day with 1 1/4” vertical. A 24 shot custom Rimfire rifle group at the same distance was 9 1/4” of vertical.
I have a picture somewhere of a large round count group out of my nine twist at 400 yards; the group was round and right at three inches. I was shooting next to another V22 with a 16 twist, shot by AJ. From the 16, there was no consistency to placement on target.

Looking at TOF data between the two twist rates explains it all. We were both using LCX.

MB
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Why do people load so hot?

Back in 2020 I competed with a large frame AR in PRS Regional Gas division and learned a lot about pressure when it came to yearlong consistency with H4350 and Varget in a 6.5 Creedmoor. I don't recall the charge weight but settled on moving 140's with Varget in the mid 2600's and brought the regional season trophy home. Since then, I went back to open division with a bolt rifle and used the 6GT with Varget. I stayed in the 31.5-32.5 weight range over 6 barrels to make a consistent 2830fps load. Eventually I wanted to go slower and moved to a 6mm BR with 109 Hybrid's and 29 grains of Varget for 2725fps. For the past 9 months and 2367 rounds it has remained consistent and generally stays under a 5sd for any given shot string. Since slowing things down and jumping bullet's .055 or longer I have never had to retune a load in close to 10 barrels now. This in 6GT's, 6.5 Creedmoor, 6mmBR, 25GT and 6.5x47L. The exception was two barrels with tighter bores, which I will never do again. Otherwise, the loads have worked equally well in the next replacement barrel screwed on to the action provided the freebore was the same.

I love the amount you can see with the extra flight time when it comes to rifle sports... I also run a 25GT with 135 Hybrid's and a 6.5x47 with 135 A-tips in the mid 2600's for the same reason.

The looks can be priceless when speaking to shooters struggling with their combo that are running loads two or three hundred feet per second faster than you, and you just left them in the dust with a stage clean.

I have a feeling that a more modest load adds barrel life as well, but I have only shot out one-barrel and that was a 6GT that started to show signs at 3200 rounds and was definitively done at 3600ish when a 6 tenth windage shift occurred and I had lost about 60fps after cleaning... it still shot great though, LOL.

DeLane Development Group Rimfire Ventures

For people who may have come in late to this thread - there was commentary/question about the fast-twist project while Old Vudoo debris was still rising in the [fecal]storm back in April. Free, free at last, Mike wrote about it at some length back on page 223 of this forum.

I was one of the people who talked with Jill about a fast-twist Vudoo. I remember feeling kinda "whaaaat..." afterward. The post linked above explained why my perception was correct... but I had no inkling that the internal issues were far deeper than that bad vibe.

I've spent awhile this evening reading several dozen posts that started when "Vudoo" went silent - I think it all started in this thread circa 23-April while I think the actual axe fell on 15-April.

How far we've come in less than four months, largely due to one man's creativity, integrity, and perseverance.

👊

MB

Recommend a suppressor for 6.5 CM and 338LM.

Out of the 8 or so can I can remember in my room, my Q half nelson (replaced by upgraded but similar designs in their line up) is very quiet. All the other cans I have, including the oem5, dead air nomad, a couple of form 1 diy's etc are not even close. My Q is the quietest. Though my aac jeager30 is quiet, it's a hunting can only so i rarely suggest it to people.

Accessories Misc stuff

Selling a few items I don’t need anymore. All prices are shipped via Venmo or Apple Pay. Can send more pictures of anything listed, just let me know what you want to see. Most items will be cross posted and I’ll go by timestamp.

Aimpoint T2/Spuhr 2.25” mount - 725

Aimpoint T2/standard mount-630

LMT 10.5” FSP upper, comes with a Geissele NSN marked ACH and an A2 to protect the threads - 615

SR25 muzzle devices, Rugged 3 prong and Surefire 3 prong - SOLD

KAC low profile sling mount part number 113879 - SOLD

FDE Unity riser - sold

Surefire Warcomp 5.56, looks like it’s been pinned and removed - 85

Black G33 with a black Unity FTC - 480

Black OEM scar stock and stripped Scar 16 lower - 260

FDE PMM lower mlok rail for scar platform - 65

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HLR .150” Recoil Lug

I havent

But when I run TL3 barrels on my origins using them, it’s common to get 5 shot groups well below 0.5”.
More often than not

So never felt a need to measure one.

You havin accuracy issues?

I would expect tighter for a precision surface ground part, but again, never checked mine because the rifles all just shoot
Its not going to cause a accuracy issues but I will have to size my brass. 001 more when I use that recoil lug. As a machinist i expected a little more precision out of a surface ground part. I was just wondering if other people had the same. I measure everything, in my eyes it's broke till I prove otherwise.
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