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Curio & Relic/Black Powder Curio & Relics and Black Powder Firearms, Old School shooting fun! |
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#1522
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Yes, it shows that some commercial rounds have higher pressure in the gas cylinder...but there is no data to show at what total impulse the gas piston or op rod starts to get deformation or damage. Without that data, one can't simply say "because the commercial rounds are higher pressure than M2 ball, then op rod damage will result". |
#1523
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...there are a lot of Commercial Rounds that have similar port pressure curves to that of M2 ball. As for the question of damage from over-pressure rounds? You and your rifle are welcome to be the "crash-test dummy" on this one. Higher port pressures result in higher operating forces and bolt cycle speeds, the latter of which is arrested by the bolt's impact w/ the heel of the receiver. Cracked receiver heels due to excessive bolt speeds, and bent op rods and excessive wear due to system over-pressure, are real problems. Good lube schedules may mitigate the wear factor, but will do nothing, if not increase, bolt speeds. I like my rifles, and while they weren't all that expensive, their repair a/o replacement cost would be considerably more. GR
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“...Cogito, ergo armatum sum..." (I think, therefore I am armed.) -- Lt. Col. Dave Grossman -- Last edited by Garandimal; 12-15-2013 at 7:46 AM.. |
#1524
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I am simply saying that there is no reliable or definitive information about what pressure/impulse will result in deformation or damage. That could be 1% more than M2 ball, it could be 100% more than M2 ball. Without knowing that, it is not really possible to know what those pressure curves actually mean. |
#1526
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Nevada you may get lucky! I got that DBU email last week and my order hit the eStore as pending that afternoon. My 3 garands arrived yesterday! I was told the last day they will ship this year is the 19th. 6 days from DBU email to delivery for me, including the weekend they spent sitting in Oakland.
Last edited by HalfFast; 12-17-2013 at 8:11 AM.. |
#1527
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Just a heads up to reloaders; cmp is selling ~250 rounds once fired HXP for $40+shipping.
http://estore.thecmp.org/store/catal...ogList&cat=AMS |
#1528
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eStore: 12/9/2013 CC hit: 12/18/2013 Ship: 12/19/2013 Arrived: 2 SA M1 Garands Inbound
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"Experience keeps a dear school, but fools will learn in no other." --Benjamin Franklin "The numbers all go to eleven. ... And most amps go up to ten." --Nigel Tufnel (Spinal Tap) "If you’re being chased by a police dog, try not to go through a tunnel, then on to a little seesaw, then jump through a hoop of fire. They’re trained for that!" – Milton Jones |
#1532
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Yup. Ordered on 11/26, got it before Christmas. A very nice wartime Springfield, ME 1+, TE 2. Everything looks Springfield and correct so far
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DiaHero Foundation - helping people manage diabetes. Sending diabetes supplies to Ukraine now, any help is appreciated. DDR AK furniture and Norinco M14 parts kit: https://www.calguns.net/calgunforum/....php?t=1756292 |
#1534
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Join the MARINES, then, you'll be ''qualified''. |
#1536
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Yup, BOE will come after the FFL for the tax so they will be collecting it.
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#1538
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You will pay for the 03 and COE with the first buy. After that, its all gravy
-178S Last edited by One78Shovel; 02-02-2014 at 12:05 AM.. |
#1539
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Might have asked this already, but just want to double check... since I have a C&R, does my CMP Garand have to go in to my bound book even though I didn't use the C&R to buy it? I'm getting conflicting advice on that subject...
Thanks!
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ΜΟΛΩΝ ΛΑΒΕ "May have been the losing side. Still not convinced it was the wrong one." - Captain Malcolm "Mal" Reynolds "An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." - Lt. Colonel Jeff Cooper |
#1540
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-178S |
#1541
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This is all covered in the ATF packet that is sent out when you apply for your 03FFL.
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Never underestimate the power of stupid people in large groups |
#1542
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Ok, now February 10th, and still waiting!
Edited today: Called them today, and was told ,120-180 days from when my order was received. Could be up to 6 months from when my order was received on December 9th! They must have sent out California orders quickly before the newest gun restriction took effect. Last edited by Nevada Hudson; 02-11-2014 at 10:38 AM.. |
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