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Re: trial rifles
Posted by Al Frasca on Friday, 29 October 2010, at 7:15 p.m., in response to Re: trial rifles, posted by Dick Hosmer on Friday, 29 October 2010, at 2:24 p.m.
Dick, the request to alter the rod to the double shoulder was made during the period between the end of Type I production and the start of Type II production. So, it seems that all of the Type II rifles should have the double shouldered rod.
I believe the rear sight was fine sighted from the beginning. I have Benton's letter discussing the changes in the M70 and he specifically mentions the term "fine sighted".
I have not seen Type II Rifles with the thinned block missing the word MODEL. Only Bannerman rifles that I have seen have this feature. Only a few of the Type I rifles are found with the word MODEL on the block, many of the Type I rifles have M68 blocks dated 1870. Essentially left over parts from M68 production.
It is difficult to draw firm conclusions since most of us have never seen 10 of the Type I or Type II rifles. However, many of us have seen the Bannerman alterations using whatever works!!!
It is not clear what the purpose for the M70 rifle was except to shorten the breech. The breech block problem was something that was associated with the M68 and they made the replacement blocks identical to the M70 thin block except for the stamping. If indeed the first 1000 were trial guns, then springfield would use whatever was available to make them. However, when the rifle is cartouched and fire tested, it is fit for service and then the requirement of consistency comes into play.
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