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Posted: 3/30/2017 8:43:31 PM EDT
[#1]
If 200grs. is working, I wouldn't change anything for the blue tip, AP...
I wouldn't use it for spotter tracer rounds, use 190grs. as a MAX load. 175-190grs is what guys have been using for years. You might need a case filler if you start at 175, you don't want a flash over and explosion in the chamber. I will say this, I have seen S/T's loaded so hot that the projos shot flat! I'm not kidding, seeing an 800+ grain bullet shoot flat was awesome! A guy was shooting them out of an AR-50 and the muzzle brake was ringing everytime he shot one. If you've ever shot an AR-50 or been around one, you know it's more of a thump. I asked what the load was and after hearing what it was, myself and MrBen took a few extra steps back! No, I will not post it here as I don't want to see someone blow themselves up. It did reinforce how strong the action is on the AR-50! |
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Posted: 3/31/2017 12:00:02 AM EDT
[#2]
I pushed some Barnes 800 grain LRS out of my AR-50 at 3186 fps average.
I too will not tell the load as it would grenade any rifle if the process was not followed exactly. My testing quit because I could not compress the load anymore and a different powder type was required. The testing did burn the throat out of the rifle requiring a barrel set back and re-chambering. |
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Posted: 4/1/2017 9:45:41 PM EDT
[#3]
Your 200 grain load with IMR 5010 is probably very mild. Since surplus powders vary in burn rate from lot to lot yours may be faster or slower than my IMR 5010 so you'd have to work up watching for pressure. All my loads for Tracer, AP, Ball, API, and Blue tips are safe from 215 to 222 grains and still not close to maximum. I could shoot any of these bullets up to 222 grains without problems. I'd think you could up your charge to 210-215 grains and still be mild loads. IMR 5010 I haven't seen in a good while anywhere and it seems surplus 50 bmg powder is getting scarce. Plus 647 gr. Ball and 690 AP bullets are nonexistent and can not be found anywhere. If you should find a small quantity of ball or AP you're going to pay a high price at $2.00 up each. Also remanufactured 50 BMG ammo has skyrocketed in price. I feel bad for those wishing to get a 50 BMG rifle or want to start reloading for theirs. Surplus components are not being sold to the public it seems. Maybe the current administration may change the policy and allow demilled ammo components to be sold to the public????
Spotter Tracer rounds can not be reloaded to normal 50 bmg velocity. If you push them too hard they can and will detonate in your barrel or brake. Load levels for Spotter Tracers are normally listed at 170-180 grains of IMR 5010. Haven't loaded them myself. Velocity should be around 1700 fps to 1800 fps maximum. |
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Posted: 4/2/2017 3:05:17 PM EDT
[#4]
^^^^^^^^^^ Very good info.
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Posted: 4/3/2017 11:14:43 AM EDT
[#5]
Quote HistoryQuoted:
Your 200 grain load with IMR 5010 is probably very mild. Since surplus powders vary in burn rate from lot to lot yours may be faster or slower than my IMR 5010 so you'd have to work up watching for pressure. All my loads for Tracer, AP, Ball, API, and Blue tips are safe from 215 to 222 grains and still not close to maximum. I could shoot any of these bullets up to 222 grains without problems. I'd think you could up your charge to 210-215 grains and still be mild loads. IMR 5010 I haven't seen in a good while anywhere and it seems surplus 50 bmg powder is getting scarce. Plus 647 gr. Ball and 690 AP bullets are nonexistent and can not be found anywhere. If you should find a small quantity of ball or AP you're going to pay a high price at $2.00 up each. Also remanufactured 50 BMG ammo has skyrocketed in price. I feel bad for those wishing to get a 50 BMG rifle or want to start reloading for theirs. Surplus components are not being sold to the public it seems. Maybe the current administration may change the policy and allow demilled ammo components to be sold to the public???? Spotter Tracer rounds can not be reloaded to normal 50 bmg velocity. If you push them too hard they can and will detonate in your barrel or brake. Load levels for Spotter Tracers are normally listed at 170-180 grains of IMR 5010. Haven't loaded them myself. Velocity should be around 1700 fps to 1800 fps maximum. I have 550 ball, and 150 a.p. bullets that I paid 50 cent each for I also have 103 us surplus ap tgat I paid $2.00 each shipped |
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