Grain

Sep. 14th, 2010 06:04 pm
stickmaker: (Default)
I find it mildly amusing, looking at the ammunition choices for various rifle and handgun cartridges, how many bullet weights are available for most, then checking what's available for the .30 Carbine: 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain, 110 grain... Oh! There's a load with 100 grain bullets!

The reason being that the short-stroke action of the M1 Carbine only works reliably for a very narrow range of bullet weights and muzzle velocities.

M1 Carbine

Jun. 28th, 2009 01:24 pm
stickmaker: (Default)
Okay, just finished installing a bolt tune-up kit. This was a new firing pin, extractor, ejector, ejector spring and extractor spring. I had some minor misadventures - one of which drew a minor amount of blood when I dropped something heavy and sharp on my foot - but eventually got everything back together. Testing with a fired and resized cartridge showed very positive ejection. Yay!

Hope to test this tomorrow.

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