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Bullet Shell Valve Caps (all credit and a tip of the hat to Mrballeng).

Picture of Bullet Shell Valve Caps (all credit and a tip of the hat to Mrballeng).
 I was in my shed today and my eyes fell upon my stockpile of spent rifle cartridges. I recalled Mrballeng's instructable for using 40 cal. shells to make valve caps.

Step 1: Select some shells.

Picture of Select some shells.
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I have 40 cal. shells among others, and after a quick rummage through the pile, I  realised that they all looked similar in dimension around the base.
 
eblake1 year ago
Is this right 531
I bet 591
sk241 year ago
415
shoboli2 years ago
523
350
iceng3 years ago
Cool stem covers, I particularly enjoyed your novel way of cutting the casing
with a pipe cutter. I would have used a hacksaw and spent hours leveling
and smoothing the the edge.

BTW me guess is 439 casings.

I got that value by counting what was visible in your clear picture
( all your pics are clear and in great focus ) and multiplying by 5.
That is four sides and a center less one that you cut and used.

A
caarntedd (author)  iceng3 years ago
The winner! I thought there would be more guesses after 200+ views, but I think nobody is really interested, or could be bothered to read the whole I'ble.

BTW, I said guess, not measure,calculate or estimate! :D

Anyway, the total at the time was 421. You are very close regardless of the lack of response. Congratulations and thank you for showing an interest in my stuff.

There can be a lot of negative reaction to anything involving firearms, so I hope that is not the reason for the lack of response. I was just trying to reuse/recycle something that I had lying around.
what is a patch??
caarntedd (author)  munaib rumjaun3 years ago
It's a small icon that gets added to your profile. Members receive them for certain achievments or milestones reached. Pro members are also allocated some patches that they can give to other members as a reward or gift. The member that gives the patch can choose one from the instructables patch library or make their own patch to give away. Click on a few user's profiles and see the patches that they have received. (I only have one so far.)