M17 Feeding Issues

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M17 Enfield is a massive, beefy, Mauser-styled miltary action, well suited to magnum cartridge conversions of yore.
M17 Enfield is a massive, beefy, Mauser-styled miltary action, well suited to magnum cartridge conversions of yore.

Q: I had my .30-06 sporter based on a M-17 Enfield action rebarreled to .270 Winchester. The rifle shoots very accurately, but jams up every time a cartridge from the left side of the magazine is fed into the chamber. It works all right when the cartridges are fed from the right side. Is this problem something I can fix myself or do I need to take the rifle to a gunsmith?
William Cosgrove

M17 Rifles in Swedish Military Museum; image Wikipedia.
M17 Rifles in Swedish Military Museum; image Wikipedia.

A: I’m pretty sure that as a cartridge is fed into the chamber from the left side that it catches on the edge of the extractor cut. If I am right, the way to fix this is to remove the sort of bump which you will notice along the forward part of the left rail of the receiver.There is a bump on both sides, but trouble only occurs from the left side. Anyone with a hand grinder can remove this raised portion along the inside rail so that the cartridge will not be pushed so over so far to the right as it feeds up into the chamber. A gunsmith could do the job in a few minutes and that’s who I recommend you get to do it.

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