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Roy Dunlap model 70 bolt mod.
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Does anyone have a picture or a description of this mod?
 
Posts: 384 | Registered: 18 January 2006Reply With Quote
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And which mod would that be?

I have his book and I would be happy to help you out.


Jason

"You're not hard-core, unless you live hard-core."
_______________________

Hunting in Africa is an adventure. The number of variables involved preclude the possibility of a perfect hunt. Some problems will arise. How you decide to handle them will determine how much you enjoy your hunt.

Just tell yourself, "it's all part of the adventure." Remember, if Robert Ruark had gotten upset every time problems with Harry
Selby's flat bed truck delayed the safari, Horn of the Hunter would have read like an indictment of Selby. But Ruark rolled with the punches, poured some gin, and enjoyed the adventure.

-Jason Brown
 
Posts: 6836 | Location: Nome, Alaska(formerly SW Wyoming) | Registered: 22 December 2003Reply With Quote
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There was a mod or mods he did to the model 70 to improve its gas handling. I don't know because I haven't read a description, but I believe it involved a safety with a gas shield.
 
Posts: 384 | Registered: 18 January 2006Reply With Quote
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I'll take a look at his book and get back to you.


Jason

"You're not hard-core, unless you live hard-core."
_______________________

Hunting in Africa is an adventure. The number of variables involved preclude the possibility of a perfect hunt. Some problems will arise. How you decide to handle them will determine how much you enjoy your hunt.

Just tell yourself, "it's all part of the adventure." Remember, if Robert Ruark had gotten upset every time problems with Harry
Selby's flat bed truck delayed the safari, Horn of the Hunter would have read like an indictment of Selby. But Ruark rolled with the punches, poured some gin, and enjoyed the adventure.

-Jason Brown
 
Posts: 6836 | Location: Nome, Alaska(formerly SW Wyoming) | Registered: 22 December 2003Reply With Quote
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In Frank de Haas' book, "Bolt Action Rifles", he describes a method to add a gas shield to the Mod 70 bolt shroud. It involved taking a steel washer and fashioning a gas shield, then soldering it to the bolt shroud. He added the procedure is covered in an article from The American Rifleman, April, 1964, p73. If you are a NRA member, call them and they will mail you a copy free. Here is a link to a similar procedure for a pre-98 Mauser.

http://www.mausercentral.com/98izingapre98bolt.htm
 
Posts: 3713 | Location: SC,USA | Registered: 07 March 2002Reply With Quote
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The Dunlap alteration, as best I recall from his book (which I own but can't find) involved getting rid of the cone breech and altering the bolt nose to fit more closely, like a 98 Mauser. As to the gas shield mentioned by Bobster, Jim Cloward did this to one of my M70s maybe fifteen years ago. It is a pretty good idea and not too hard to do.
 
Posts: 1233 | Registered: 25 November 2002Reply With Quote
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vigillinus,

I believe you are thinking of "Safety breeching" described in McFarlands "Gunsmithing Simplified". The version described for the Springfield would likely be aplicable to the Mod 70 as the breeching of the two rifles is identical. I've never seen a "safety breeched" rifle and would be curious to know how the conversion actually worked.

Jerry Liles
 
Posts: 531 | Location: Louisiana | Registered: 01 January 2010Reply With Quote
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