new here, need help with 1917 Mk iii* questions |
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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It will depend on individual rifles. Start tight but if accuracy is poor (in excess of 4 MOA) you can back off about 1/8 turn to see if it tightens up. If it does, the leave it there, if not look elsewhere for the problem & re tighten. The dual spring-loading of the barrel was to retain POI for variable ammunition quality & to stop changes in POI with the bayonet fitted or removed. It was "Tunable" to get the required performance from many slightly different rifles. You have to remember these were Victorian designs, from originally, the 1890's, produced with a lot of skilled hand-fitting, rather than modern CNC drop-in parts. Because of that they have far more individual "personality" than a modern rifle.
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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Hangman
Groupie Joined: May 29 2018 Location: Long Island, NY Status: Offline Points: 24 |
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I was going to ask another question about the spring under the nose cap (nose cap forend spring and stud) How tight is that supposed to be when putting the nose cap back on?
I bought an extra spring for this. Does this also affect accuracy? Should I replace it anyway or leave the original one in there? |
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Zed
Special Member Donating Member Joined: May 01 2012 Location: France Status: Offline Points: 5585 |
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The inner band screw should be done up tight. That screw has a shoulder that it tightens onto the band; the the spring is in contact with the wood and the head of the screw. This allows the barrel to move upwards against the spring during firing. It is used to dampen the harmonic's of the barrel.
The front pad and spring in the nose cap is also important on the standard rifle. Worth fitting a new spring if you have one. Good accuracy is a sum of many minor parts and proper fitting. Worth the effort of reading up on proper stocking up etc (proper sources of info not just the Net). When it all comes together properly it's a real joy to shoot!
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