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Post by gunmutt on Dec 30, 2011 11:58:29 GMT -8
Has anyone ever used one? Seems like a great concept especially on 18" barrels. Does blackhole make any of these. Right now id like to get an 18" intermediate length gas medium contour dimpled to get it to less than 34oz 1:8 twist in stainless steel
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Post by letaz77 on Dec 30, 2011 18:45:33 GMT -8
When you say intermediate you mean mid-length, right? I believe some people also call it intermediate because it is between the carbine and the rifle length systems, but most people know them as mid-length. If you want to use a traditional direct impregment system then all you need is to get a Mid-length barrel in 18" in whatever contour you like. If you are considering a piston system, I don't think BHW sales piston driven systems, but you can always buy an after market (conversion kit) one. In my opinion, one of the better ones is Adams Arms. They make piston driven systems for Pistol, Carbine, Mid-length, and rifle length gas systems. As it so happens, I am selling a brand new, in-box, Mid-length Adams Arms Piston System, if you are interested.
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Post by letaz77 on Dec 30, 2011 19:08:44 GMT -8
When you say intermediate you mean mid-length, right? I believe some people also call it intermediate because it is between the carbine and the rifle length systems, but most people know them as mid-length. If you want to use a traditional direct impregment system then all you need is to get a Mid-length barrel in 18" in whatever contour you like. If you are considering a piston system, I don't think BHW sales piston driven systems, but you can always buy an after market (conversion kit) one. In my opinion, one of the better ones is Adams Arms. They make piston driven systems for Pistol, Carbine, Mid-length, and rifle length gas systems. As it so happens, I am selling a brand new, in-box, Mid-length Adams Arms Piston System, if you are interested.
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Post by gunmutt on Dec 30, 2011 19:12:33 GMT -8
No not mid length. There is actually an inteediate length that is about 1.5" shorter than a rifle. It is a vltor design. Sabre and noveske are the only two major producer of this length except for mstn which uses noveske barrel and customizes them further. Basicaly what the mid length did for the 16" the intermediate does for the 18"
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Post by Brandon Sneed on Dec 30, 2011 21:14:15 GMT -8
No not mid length. There is actually an inteediate length that is about 1.5" shorter than a rifle. It is a vltor design. Sabre and noveske are the only two major producer of this length except for mstn which uses noveske barrel and customizes them further. Basicaly what the mid length did for the 16" the intermediate does for the 18" He is correct. It is the intermediate between rifle and midlength. We sometimes use them on 18-22" 6.8spc barrels tht bison armory offers. That being said I would think it would work great with our systems but the machining folks would have to chime in to determine if it's capable for the design to be manipulated to provide such an alteration in moving the gas block forward. Email andy and find out lol. ETA I say WE above because the company I own uses bison barrels sometimes and they offer them in that fashion.
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Deleted
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Post by Deleted on Dec 30, 2011 22:42:46 GMT -8
I have one of those custom ordered cut from lothar walter. IT is between the rifle and mid length. Great performance!
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Post by letaz77 on Dec 30, 2011 23:39:41 GMT -8
I stand corrected.
I was just wondering why would anyone want an "intermediate length" barrel when you can have an 18" in rifle length. I personally have a SPR clone in 18" 1:7 standard profile from White Oaks in rifle length and have never had any issues. It is as accurate as my Tikka T3 in the same caliber. Why fix what isn't broken? Just my opinion.
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Post by rswarden on Dec 31, 2011 0:55:00 GMT -8
more dwell time i suppose.
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Deleted
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Post by Deleted on Dec 31, 2011 7:18:02 GMT -8
While it might not seem that practical allows a lighter barrel than rifle ported one with a tad extra dwell time. What I can tell you about the one I have in 20" is that the harmonics seem to be dead on. Lots of accuracy nodes and very consistent the way it shoots with many loads. I am not sure if this has to do with it or not but I would not hesitate in ordering a carbon copy of that barrel.
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Post by gunmutt on Dec 31, 2011 8:32:38 GMT -8
Dwell time and the more various loads capable without issues is what makes this a great gas system. From what i have noticed a lot of 3 gunners are starting to use this due to being able to run a 55gr on short distance then a heavier gr for different applications without affecting the cycle of the firearms. The weight of the barrel is not really saved due to a intermediate handgaurd does not exist and a gas tube weights next to nothing. Where weight can be saved is the barrel can be shortened to at least 16" and recoil is very manageable, but with this cycling has to be tuned precisely. The rifle system was designed for 20" and carbine was designed for 14.5"M4. The Mid system became the best for 16' so it only makes sense that the intermediate is a perfect fit for the 18".
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quincy
Junior Member
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Post by quincy on Jan 22, 2012 14:18:22 GMT -8
Dwell time for various configurations, FYI.
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Post by letaz77 on Jan 22, 2012 20:55:42 GMT -8
Great info there quincy. Thanks for sharing
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Post by gunmutt on Feb 8, 2012 8:01:37 GMT -8
So any chance BHW could build me one of this soon. The money is burning a hole in my pocket. I so want my 3gun project done so I can hit the range
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Post by GLSHOOTER on Feb 8, 2012 13:05:33 GMT -8
So any chance BHW could build me one of this soon. The money is burning a hole in my pocket. I so want my 3gun project done so I can hit the range Make that call!! If you had placed your order back in December it might be in your hands now and the 3 Gun world would have to watch out come next match!! I'm shooting a full rifle length DI setups on my 20" 6X45 and a Carbine set up on a 17 1/2" 6X45. My 223 AR's are all 20's. It's all good!! I am looking forward to what you decide on. Greg
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Post by bravo5two on Feb 9, 2012 4:31:45 GMT -8
I stand corrected. I was just wondering why would anyone want an "intermediate length" barrel when you can have an 18" in rifle length. I personally have a SPR clone in 18" 1:7 standard profile from White Oaks in rifle length and have never had any issues. It is as accurate as my Tikka T3 in the same caliber. Why fix what isn't broken? Just my opinion. +1. No problems with rifle length gas system in 18" barrels that I have. Much smoother in extraction compare to mid-length gas system in the same barrel length. But then again, it is all subjective. A tune-able/adjustable gas block will smooth out any rifle/carbine DI system. Key objectives are reliable extraction and feeding.
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