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Old October 15, 2020, 10:40 AM   #1
Deltadart
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Join Date: April 26, 2015
Location: Washington State
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Mag Spark Cap Adapter

There was some discussion on these years ago, I wanted to find out if there are any updates on these or similar devices. Due to the shortage of caps of any type presently I was looking for some options. I have successfully made caps using the no 11 cap maker called Tap O Cap and the priming compound used to reload .22 LR cartridges, however the compound is corrosive and I can not get the non corrosive chemicals without an explosive license, special equipment and so on. The toy caps add even more labor to a slow process. I have a 1000 209 shot gun caps available, as I no longer reload shot gun shells. I see the pros/cons of the adapter as these. Do not have the explosive residue on the breech of the rifle, function well, and weather resistant. The cons are slows down reloading, the loss of the removeable top/firing pin would disable the weapon, on a cold day I think it might be difficult for cold fingers, and they are picky as to the caps that will function in them. Winchester caps stick. In my Seneca the hammer is not able to get to the half cock position but rests on the firing pin, this is unsafe. The option is to carry full cock, very unsafe. Does anyone know if the the male threaded portion the firing pin screws onto can be shorted to allow the hammer to lower to the half cock position without resting on the firing pin?MagSpark1.jpg

MagSpark2.jpg
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Old October 15, 2020, 04:37 PM   #2
arcticap
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Join Date: March 15, 2005
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There's a device called a Kap Kover that was designed to fit over a nipple to weatherproof it and to perhaps act as a 2nd safety. --->>> https://www.dixiegunworks.com/index/...+Kover+6X.75MM
It has a rubber O-ring that helps to seal it on top of the nipple, and its diameter also fits perfectly over a nipple.
It attaches to the trigger guard with a piece of leather, and when the hammer is pulled back, it's easy enough to remove.
Folks would make their own from a tire valve cap which was said to fit nicely over a nipple in the same fashion, and could even be used for dry firing since it protects an uncapped nipple.

This Kap Kover device probably won't fit on the Mag-spark, but you might be able to come up with a similar firing pin cover of your own.
It would need to fit over it tight enough to not be too easily dislodged.
I wonder if there's a cartridge case that can be lined with a material that would fit, or a plastic cap from a food container that's flexible enough to fit over it.
Either could also be cut down.

Another idea would be to use a piece of FLEXIBLE HOSE OR TUBING.
It's sold in plenty of sizes, both rubber and vinyl at the auto and home improvement stores.
That should have enough stretch to fit over a Mag-spark and can be cut long enough to keep the hammer off the firing pin.

This may sound absurd, but if you could fit an inner cover under an outer cover, then you might be able to be double protected if they could stay on the Mag-spark independent of each other.
Then during hunting the drill would be to cock the hammer, remove a cover, remove another cover and fire.
Even of one of them simply falls away and is held in place by hammer pressure such as a tire valve cover.
Or you may be able to attach a 2nd piece of tubing on either the inside or outside of the hammer cup, and maybe that can somehow rest on the Mag-spark hose, which in turn, the inside of the larger diameter could be plugged with an empty .22LR or WMR, or .25 or 32 acp brass case, or another piece of smaller diameter hose or tube.
The stuff is inexpensive, and I'm sure that you'll figure something out with the right assortment of materials.

Not sure if you can shorten the firing pin or if it would even help reduce the height enough.
I guess it could depend in part on how the pin is held captive inside the upper half of the Mag-spark.

Have you considered trying #11 magnum primers or the RWS #1075 Plus?

Last edited by arcticap; October 17, 2020 at 02:24 PM.
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