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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns

DarylS
.700 member

Reged: 10/08/05
Posts: 27730
Loc: Beautiful British Columbia, Ca...

Re: 11mm what caliber cape gun??
21/01/08 07:13 AM

OK - misunderstanding. Probably the Mauser round then.
; The early. 11 mm. bolt guns (71 and 71/76) had .457" groove diameters and .436" bores, yet the chamber would only allow .446" paper patched bullets due to tight necks. The later 11mm. bolt guns (71/84) had .446" groove diameters which also allowed grooved lubricated bullets. It would be good to cast the chamber as well as slugging the bore to decide what bullet was intended.
; If the neck diameter is too small, a chucking reamer or a more expansive necking reamer can be purchased from Pacific Tool and Gauge. This will not alter the value - may not be needed - but could be? Chamber casts are very important with any old gun such as this.
; With cerrosafe, the cast must be removed from the chamber almost immediately after casting. If left to sit too long, it will expand and be impossible to remove without melting it out. Fortunately, 170F will melt the stuff (hot water not even boiling). The idea of immediate removal is due to the stuff shrinking a couple thou to allow removal, then it expands to the exact chamber or bore dimensions for accurate measurements.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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Subject	Posted by	Posted on
11mm what caliber cape gun??	englishupland	16/01/08 04:32 PM
Re: 11mm what caliber cape gun??	m4220	16/01/08 05:03 PM
Re: 11mm what caliber cape gun??	fuhrmann	18/01/08 05:59 PM
Re: 11mm what caliber cape gun??	DarylS	19/01/08 04:34 AM
Re: 11mm what caliber cape gun??	englishupland	19/01/08 05:13 AM
Re: 11mm what caliber cape gun??	JabaliHunter	19/01/08 05:35 AM
Re: 11mm what caliber cape gun??	englishupland	19/01/08 07:41 AM
Re: 11mm what caliber cape gun??	fuhrmann	20/01/08 03:35 AM
Re: 11mm what caliber cape gun??	DarylS	20/01/08 05:35 AM
Re: 11mm what caliber cape gun??	fuhrmann	20/01/08 10:18 PM
Re: 11mm what caliber cape gun??	DarylS	21/01/08 07:13 AM

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