what calibers come in the "15" platform? - Page 2

Stargazer · August 25, 2012, 01:31 PM

I can reload my 458 Socom rounds with Hornady 300 grain JHP's for 57 cents a piece, powder and primer included. Only two types of folks own the big bore AR's, those that reload and rich guys. Big Bore AR ammo can be hard to find and expensive but reloading does help tremendously.

jason41987 · August 25, 2012, 09:34 PM

if youre looking for a practical upgrade from 5.56mm, your choices are really either the 6.5mm grendel or 6.8mm SPC.. of which to go for its hard to say, a lot of facts to decide, im trying to decide on this one myself, but narrowed it down to one of these two

KevK. · August 26, 2012, 01:23 PM

Olympic makes the AR15 in 22-250.

If you want something bigger for longer ranges you'll probably have to go to an AR-10 platform. But others have posted enough about it.

jason41987 · August 26, 2012, 02:36 PM

how can they make a .22-250 for the AR15?... unless you use really short bullets for it, COAL of the .22-250 is 2.35", i dont think a standard .22-250 round would fit?

KevK. · August 28, 2012, 10:14 PM

Olympic arms makes the UMAR in .22-250. http://youtu.be/2JggV5tZXOM
From the Vegas Shot Show.

The Olympic Arms sites is down for maint. or I'd post a link for the site.

okiewita40 · August 31, 2012, 01:13 AM

As said before for hunting past 200 yds. in the AR 15 platform you are best to go with either the 6.5 or 6.8. If it was me I would go with the 6.8 and re-load.

August 25, 2012, 01:31 PM	#26
Stargazer Senior Member Join Date: August 6, 2006 Location: Republic of Texas Posts: 506	I can reload my 458 Socom rounds with Hornady 300 grain JHP's for 57 cents a piece, powder and primer included. Only two types of folks own the big bore AR's, those that reload and rich guys. Big Bore AR ammo can be hard to find and expensive but reloading does help tremendously. __________________ 5.56mm, reach out and touch something. .458 SOCOM,reach out and knock something down. M70 Web Page

August 26, 2012, 01:23 PM	#28
KevK. Senior Member Join Date: May 1, 2012 Posts: 137	Olympic makes the AR15 in 22-250. If you want something bigger for longer ranges you'll probably have to go to an AR-10 platform. But others have posted enough about it. __________________ CZ82, S&W Mod. 65 .357, Marlin 22mn (22WMR), Mossberg 500.

August 28, 2012, 10:14 PM	#30
KevK. Senior Member Join Date: May 1, 2012 Posts: 137	Olympic arms makes the UMAR in .22-250. http://youtu.be/2JggV5tZXOM From the Vegas Shot Show. The Olympic Arms sites is down for maint. or I'd post a link for the site. __________________ CZ82, S&W Mod. 65 .357, Marlin 22mn (22WMR), Mossberg 500.

August 31, 2012, 01:13 AM	#31
okiewita40 Senior Member Join Date: June 11, 2007 Location: Oklahoma Posts: 409	As said before for hunting past 200 yds. in the AR 15 platform you are best to go with either the 6.5 or 6.8. If it was me I would go with the 6.8 and re-load. __________________ What on god's green earth do you think your doing?

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August 25, 2012, 09:34 PM	#27
jason41987 Senior Member Join Date: April 19, 2012 Posts: 479	if youre looking for a practical upgrade from 5.56mm, your choices are really either the 6.5mm grendel or 6.8mm SPC.. of which to go for its hard to say, a lot of facts to decide, im trying to decide on this one myself, but narrowed it down to one of these two

August 26, 2012, 02:36 PM	#29
jason41987 Senior Member Join Date: April 19, 2012 Posts: 479	how can they make a .22-250 for the AR15?... unless you use really short bullets for it, COAL of the .22-250 is 2.35", i dont think a standard .22-250 round would fit?