450 bm -- 250gr ce maximus

[cohunt]

I just got my backorder of the cutting edge maximus 250gr hp bullets to try for my 450bm ( ar chassis 18" bbl)

Anyone have load data or a link to some load data for this bullet with starline brass and Lil gun powder?

I see some guys running the Barnes 275 with 35 gr-- and I run the 225 ftx at 41 gr -- so id imagine the 250 will be about 38gr maybe?

Anyone with first hand knowledge?

 

[Wolf76]

Can't give you first hand info for a few reasons.
I do shoot 250 gr T Rex bullets out of a 45 raptor..... similar cartridge.
I find H110 and 300MP to be great powders. My charges are in the middle to high 40s in a bolt gun. Your AR will take fewer grs and pressure.
I never could get lil gun to shoot accurately.....regardless of bullet.

 

[cohunt]

Can't give you first hand info for a few reasons.
I do shoot 250 gr T Rex bullets out of a 45 raptor..... similar cartridge.
I find H110 and 300MP to be great powders. My charges are in the middle to high 40s in a bolt gun. Your AR will take fewer grs and pressure.
I never could get lil gun to shoot accurately.....regardless of bullet.

I've had great luck with Lil gun and the 225ftx --- I did look up load data online for the 250ftx and see max charge is 38.5 ( I was pretty close)--- I see some guys are running up to around 39 with the ce bullet but there really isn't much data out there that I can find.

If anyone is running the 250 maximus please chime in. I think ce also sells the raptor -- it's close to the maximus so if anyone runs those your loads would be close too.

I measured last night and I can get pretty close to 2.30" on my max mag length - if it feeds ok

Ce says the " projection is .540" so ill have to see where that puts me on oal