300 RUM/N570 load data

[doug2080]

Wondering if anyone has a good load for the 300 RUM and N570 shooting the 200gr accubonds. Thanks.

 

[QuietTexan]

I have the QL for a starting point on it if you feed me barrel length, but N570 is something that's eluded me so far during this powder crunch.

 

[doug2080]

That would be great thank you. It's 26" with 1-10 if that matters. Thanks again

 

[QuietTexan]

This is slightly longer than Nosler book OAL of 3.580", but with a 300 RUM throat you should have plenty of room to go out the extra 0.020" these are run off of. My 210 ABLR loads are 3.760" OAL to the lands.

Cartridge : .300 Rem Ultra Mag
Bullet : .308, 200, Nosler AccuBond 54618
Useable Case Capaci: 98.799 grain H2O = 6.415 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Vihtavuori N570 *C
Case Fill %	Charge Weight in Grains	FPS	Chamber Pressure in PSI
92​	88​	2829​	48842​
92​	88.5​	2846​	49775​
93​	89​	2864​	50725​
93​	89.5​	2881​	51693​
94​	90​	2898​	52680​
94​	90.5​	2916​	53685​
95​	91​	2933​	54709​
95​	91.5​	2950​	55753​	! Near Maximum !
96​	92​	2967​	56817​	! Near Maximum !
96​	92.5​	2985​	57901​	! Near Maximum !
97​	93​	3002​	59006​	! Near Maximum !
97​	93.5​	3019​	60132​	! Near Maximum !
98​	94​	3036​	61280​	! Near Maximum !
98​	94.5​	3053​	62450​	! Near Maximum !
99​	95​	3070​	63642​	! Near Maximum !
99​	95.5​	3087​	64858​	!DANGEROUS LOAD-DO NOT USE!