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Posted: 3/23/2012 8:37:31 AM EDT
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Way back in '09 there was a thread on the 608. unclemoak wrote Mr Knight with several questions (and several suggested questions) about the 608; does anyone know if he ever received the answers? The questions/suggested questions listed on the '09 thread were: What are the handguards made out of and what diameter are they? Why do the four known examples have 607? style moderators on them instead of the original conical flash hiders? Is the stock is held firmly by the stock screw or is it free to rotate on the buffer tube, and do the hand guards rotate or are they held in a fixed position? Are any vent holes or drainage hole's in the handguards or end cap? I'm in the process of trying my hand at reproducing a 608 and am interested in the answers. I would also be interested in the solutions other people came up with; particularly with regards to the handguard and method of fixing the stock. Also, ldgunner posted a picture of a flash hider he picked up; does anyone know what it was for originally? Thanx |
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MY65PAN turned out one or more conical flash hiders back in 2008 or early 2009. And HeatnBeat has done an endcap and an aluminum tube handguard as well (although he said it took way to much effort and time). MY65PAN, I believe also did some stocks as well.
As far as the stock that I have (which I believe is a MY65PAN, could be an unclemoak), there's no provision for indexing. It was suggested just to crank down the screw and call it good. Although, a small set screw could be added to prevent rotation. I may do that. I'm not sure whether I'll go with a true 608 handguard. Some of the 608s pictured have standard GI end caps that just abut the tube, rather than flanging over it. I'm tempted to use a Hogue free float hand (not the over-molded one) as it's small diameter is close to that of the original. I would just have all the knurling turned off it and have it powder coated and forgo the slip ring and end cap altogether. Won't be for a while, as I'm just in the SBR phase. Ok, my stuff is unclemoak. http://www.ar15.com/archive/topic.html?b=7&f=119&t=704051 |
| I guess I could answer the handguard diameter. It's pretty much dictated by the barrel nut and slip ring. If you have each you can just measure them. Although, John Thomas had to relieve some area for the gas tube by cutting a channel for it to rest in. I believe I read that he did that. |
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Quoted:
I guess I could answer the handguard diameter. It's pretty much dictated by the barrel nut and slip ring. If you have each you can just measure them. Although, John Thomas had to relieve some area for the gas tube by cutting a channel for it to rest in. I believe I read that he did that. I ordered one from Him and ya he cuts a small slot on inside for the gas tube. If you don't want to go the sbr route, you can use a 16" carbine front end with a lo pro gas block, relocate the fsb to the front of the barrel, And Dr. Thomas will make a longer handgaurd to cover it up, I think that's how he build his. |
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http://www.ar15.com/archive/topic.html?b=3&f=123&t=433665
There's a picture of MY65PAN's flash hider in that link. Very similar to unclemoaks if not identical. Maybe it's a one off. I really prefer the abutted end cap over the larger one (another picture in that thread). Looks good. |
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Quoted:
John Thomas has made some 608 parts, I'm sure he'll be by at some point with more help. I do make the handguard caps and anodized aluminum handguards. As mentioned earlier in this thread, I do cut a channel in the handguard to accomodate the gas tube. This also prevents handguard rotation. I didn't addd anything to the buttstock where it attaches to prevent rotation. I have no trouble with it wanting to spin. No trouble at all. I made a custom length barrel from a heavy barrel so I wouldn't have to go the short-barreled rifle route, yet still give it a pretty balanced look. For any newer guys who haven't seen it, a few pictures are below: 
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