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Posted: 10/19/2008 3:33:29 PM EST
[Last Edit: 10/19/2008 3:42:59 PM EST by kujeeper82]
220 gr Sierra Matchking HPBT @ ~2400-2600 FPS

Just curious how my big thumpers would perform...

ETA: Details, .30 cal, actual velocity could be up to 2800 fps. Sierra suggests 2900 fps is possible but I doubt it. This is out of a 300 wby.

No soldiers, I was reading up the specs and saw lvl IV can stop 30-06 AP.

Link Posted: 10/19/2008 3:37:27 PM EST

Originally Posted By kujeeper82:
220 gr Sierra Matchking HPBT @ ~2400-2600 FPS

Just curious how my big thumpers would perform...


Planning on shooting some soldiers?
Link Posted: 10/19/2008 3:39:01 PM EST
I am going with no.

Link Posted: 10/19/2008 3:39:09 PM EST
[Last Edit: 10/19/2008 3:39:30 PM EST by TheCanuck]
.30 cal bullet?
Link Posted: 10/19/2008 3:39:18 PM EST
[Last Edit: 10/19/2008 3:39:41 PM EST by TheCanuck]
out of what?
Link Posted: 10/19/2008 3:47:49 PM EST
[Last Edit: 10/19/2008 3:48:10 PM EST by kujeeper82]

Originally Posted By TheCanuck:
out of what?


rem 700 in 300 wby. 24" bbl.

From what I've read, the rifle plates on such armor are designed to deform the projectile and thus assist the underlying fiber material by increased sectional density. Thats why AP uses penetrators which survive passage through insufficiently thick material. A longer bullet would still deform, but once the first 1/3 passed through the plate the remaining bulk of the bullet could continue on through the ceramic debris, impact with the vest material and continue through. Right?
Link Posted: 10/19/2008 3:47:59 PM EST
No, AP is required for starters, HP will flatten out.
Link Posted: 10/19/2008 3:49:31 PM EST

Originally Posted By Chaingun:
No, AP is required for starters, HP will flatten out.


from what I've seen of the matchkings the hollow point is really just the jacket; the underlying lead is conical. these aren't ballistic tips or spitzers
Link Posted: 10/19/2008 3:49:49 PM EST
Why?
Link Posted: 10/19/2008 3:50:58 PM EST

Originally Posted By kujeeper82:
220 gr Sierra Matchking HPBT @ ~2400-2600 FPS

Just curious how my big thumpers would perform...

ETA: Details, .30 cal, actual velocity could be up to 2800 fps. Sierra suggests 2900 fps is possible but I doubt it. This is out of a 300 wby.

No soldiers, I was reading up the specs and saw lvl IV can stop 30-06 AP.



I was actually thinking about some long-range handloads for my .300 Weatherby the other day. I don't think I have the twist to run the 240gr SMKs so I started to look at the 220s as well. If you had a 26" barrel I'm sure you could get 2800fps or more using Norma MRP powder. Norma loads 200gr bullets in factory Wby ammunition to 3000fps.
Link Posted: 10/19/2008 4:50:50 PM EST
HP will fragment, or flatten out. FMJ 'might' make it through if it's hot enough.
Link Posted: 10/19/2008 4:55:38 PM EST
tag b/c not everyone with body armor is the friend of law-abiding US citizens.
Link Posted: 10/19/2008 5:00:04 PM EST
Im gonna guess no.

I witnessed a 7.62x54R AP get stopped by an eSAPI. I dug around in the hole and it still had another 3/8" to go before penetration.
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