Deleted
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Post by Deleted on May 10, 2016 18:37:21 GMT -5
This gun started off as another experiment that has turned into something beyond any reasonable expectation.
Donor gun; Remington 700 Sendero with Lilja 300 Win. mag. barrel. This was my centerfire deer rifle. Removed the barrel and left everything else as it was. Stock; Factory Sendero with aluminum bedding block skim coat bedded and camo paint job.
Trigger; Factory set at 2.25 lbs. which felt like 8 lbs. when trying to shoot small groups. Jewel 2 oz. going in.
Scope; Bushnell Elite 6500 2.5-16x42 DNZ one piece mount. Going to replace the scope with more magnification for when I stretch it out.
Breech plug; Rear shoulder 9/16-18 thread with 1/2 hex, drilled and tapped for direct ignition priming modules.
Ignition; Large rifle magnum direct ignition.
Recoil lug; Took another factory CM recoil lug to the surface grinder and ground it as perfectly flat as possible.
Barrel; Take off CM Factory Rem. .308 Winchester varmint contour, I haven't checked the twist, but guessing it is 10. Now here is the crazy part. I was at a gunsmith friend of mine's shop last summer and asked him if he had any take off 30 cal. barrels he wanted to sell thinking he might have a custom barrel available. He said had a factory barrel .308 Win. take off with 1,000 rounds through it but he said it was a good shooter when removed. Because he said it shot good that was the only reason I took it for $20.00. I did not thread the muzzle of this barrel. (yet)
Fast forward, I get all the machine work and FF die made, and start sizing bullets for fit, and find that the barrel is choked the last 6 inches towards the muzzle; maybe those 1,000 rounds made the barrel looser as you move towards the breech. Hmmm... don't know how this is going to work out but I had to give it a try and boy was I surprised.
Sunday I shot the .178 group and I had the feeling it was not a lucky group, because the previous groups I shot looked promising.
Today I decide to shoot 5 3-shot groups at 100 yards to verify the load.
Groups: 1, .540 pulled 3rd shot right (called), not complaining. 2, .337. 3, .371. 4, .266. 5, .399. 5 group ave. .383! I really don't know what to think, I am just amazed.
The load; 125 grain Speer TNT, FF, 56.0 grains of Hodgen CFE 223 powder, CCI 250 large rifle magnum primers, 3400+ fps.
  
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30 cal. #3
May 10, 2016 18:52:36 GMT -5
via mobile
Post by Kyle on May 10, 2016 18:52:36 GMT -5
absolutely amazing!
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Deleted
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Post by Deleted on May 10, 2016 19:07:53 GMT -5
That is very innovative. I'll be watching this with great interest.
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Post by oneshotike on May 10, 2016 19:09:39 GMT -5
If I could use that gun in Indiana I would have one. Very nice.
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Post by Hank on May 10, 2016 20:11:50 GMT -5
Very good job there Hammer... And a good job on the write up as well..
Could be the most accurate muzzle loader to date.......
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mtj555
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Post by mtj555 on May 10, 2016 20:19:24 GMT -5
That will be a killer for sure. What's your estimate pressure with that load?
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gar
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Post by gar on May 10, 2016 20:29:08 GMT -5
We need to start calling you Midas cause what you touch turns to gold. Great job and those 30's are the real deal, I should have shot that one you had at the shoot. Maybe next time.
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Post by Richard on May 10, 2016 20:59:17 GMT -5
That is a real shooter Phil! But "real" men shot .45's!  I will be trying hard to keep up with you  |
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30 cal. #3
May 10, 2016 21:09:05 GMT -5
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Post by linebaugh on May 10, 2016 21:09:05 GMT -5
Very nice and amazing accurate. Can you explain your "direct ignition a bit please.
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Post by itneverends22 on May 10, 2016 21:19:30 GMT -5
Absolutely awesome shooting and build, very nice!!
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Deleted
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Post by Deleted on May 10, 2016 21:45:44 GMT -5
That will be a killer for sure. What's your estimate pressure with that load? I would guess low to mid 60,000 psi range because Hodgen's manual lists a .308 Win. max load with a 130 grain bullet at 59,500 psi with 54.0 grains of CFE 223 at 3,202 fps in a 24" barrel. My barrel is 1" longer at 25" , bullet 5 grains lighter, load is not compressed, the bullet is actually loose on top of the powder and full formed. So with my powder chamber similar to a 308 Win., that is what I use as a basis for my estimate. Also one of the reasons I am using the direct ignition system is so I can read the pressure signs on the primer. I do understand that reading a primer is not the best indicator of pressure, but combined with velocity readings I think gets me in the ball park. That load for this gun I consider to be maximum.
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Deleted
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Post by Deleted on May 10, 2016 22:21:16 GMT -5
That is a real shooter Phil! But "real" men shot .45's! I will be trying hard to keep up with you Don't worry Richard I probably won't shoot in the match. But if you or any one else wants to use it to compete they are welcome. |
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Deleted
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Post by Deleted on May 10, 2016 22:46:26 GMT -5
Gar I'm sorry I missed you, I tried to get o everybody, but I guess a few were missed. Come shoot it a the next shoot.
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Deleted
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Post by Deleted on May 10, 2016 23:26:39 GMT -5
Very nice and amazing accurate. Can you explain your "direct ignition a bit please. The direct ignition is a 5/16-24x1/2 grade 8 bolt drilled thru with a #40 drill bit then the head is machined to .198 high and .532 dia. then a primer pocket machined for a large rifle primer. The breech plug is drilled and tapped to match with no bushing or vent liner, hence the term "Direct Ignition". One of the main reasons I am using it in the 30 cal. now is because I can get some feedback as to pressure by looking at the primer and that it is bomb proof. The down side is that it requires tools to be carried in the field and a custom shell holder for priming. My personal opinion is that Jeff's "HIS" system is the best user friendly ignition system available, and this gun can be switched over to it by just changing the breech plug.
I have read some of your post about the ideas that you want to try, I say go for it and see what happens. God luck.
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Deleted
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Post by Deleted on May 11, 2016 0:50:36 GMT -5
Very good job there Hammer... And a good job on the write up as well.. Could be the most accurate muzzle loader to date....... Jeff, I want to thank you again for the support and donations of the breech plugs and priming modules for the first 30 cal. build that I put together. If you had not made the 9/16 plug I would not have made the first 30 cal. SPML, which got us to where we are today.
This gun is scary accurate with the load I have been shooting, freeking unbelievable.
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Post by hillbill on May 11, 2016 3:49:20 GMT -5
Phil
those Remmy barrels are pretty good sometimes but with 1000 rounds on it? You struck gold on that one! And for 20 bucks!
excellent shooting and excellent accuracy!
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Post by tnhunter54 on May 11, 2016 5:57:05 GMT -5
Phil that is some great shooting, and I like that gun also.
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Post by schunter on May 11, 2016 6:57:37 GMT -5
Beautiful gun Phil and awesome shooting!
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Post by jims on May 11, 2016 22:11:09 GMT -5
hammer: That is getting it done. Excellent shooting.
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gard
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Post by gard on May 17, 2016 5:14:54 GMT -5
We have a guy that likes to experiment like hammer in my hometown we call the made scientist I think we should call him the perfect scientist .Hes putting 3 bullets in a 45 hole good luck keeping up Richard with the oversized paper cutter
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I will be trying hard to keep up with you 
