I got slight tipping with 175gr PB cast from a 1:8 pistol. Your 1:10 may need to go faster. H4895 down loads good and I've heard of it's use in BO. Your case capacity is larger so the slower powders may work better. H335 is normal for 223 but it doesn't download as easy.
Whatever!
I have taken two deer with that Speer 130FP in the BO. First was about 25 yards bullet deflected off a 2" tree but still took out a rib, did much damage in the liver and was found in the ham. The second was thru and thru getting a rib both sides IIRC. Showed expansion but not violent. its a tough bullet for the blackout. Wont over expand is what I mean. My vel is right at 2K on a chrono.
CW
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I've just loaded some 125gr Nosler AB's for hunting this year, if I decide to use the 300 for that.
Tried a few rounds of 150gr Herters FP over 20gr 1680. No signs of pressure.
Range report... expansion test
Just shot a couple potential deer loads into milk jugs with water (not the best test media but cheapest and not the worst either)
Lee 312-155 2r sized .309 with gas check of quenched coww...over h110 with 1890 fps and 1927 fps...
First shot penetrated 1 qt carton, 2 1/2 gal cartons and one full gal piercing 2nd gal (caught in first gal) at 1890...pic below. As cast was 160 grains and with the piece that shed weighed in at 156 grains
Second shot penetrated 2 gal jugs and turned south into 6 inches of berm...@ 1927 fps still weighed 158 grains
Excited about this load as it performed much better than expected.
Also shot two Speer 130 fp at 2130 fps (very warm) but recovered neither...judging exit holes and apparent damage it will do fantastic... penetrated 3 full jugs each and caused enough force in the other side to clear all the leaves with just the force of escaping water...blew an empty jug 2ft into adjacent undergrowth
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BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
BR | Bench Rest | M | Magnum | RN | Round Nose |
BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
GC | Gas Check |