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Messages - bob_atl
The factory Hornady Black 140 works well for me too, may want to chrono it then your reloads as well.
Also, three shot groups can be misleading, I try for 5 shot groups now.
Best groups were at 44.3, but it seemed to be on the ragged edge of stability and those groups were unacceptable (+1.5 MOA).
Stopped working with the 150 SMK cause apparently my 8:1 twist is not fast enough.
….I got the bug for an "entry lever" long range rifle......Welcome & my SAV 10 GRS is more than an entry level, think yours will be too.
Mine likes the cheap Hornady 140 BTHP black box, really well.
On the 130 gn pills, I've been happy with Varget vs H4350.
And the 130 TGK over Varget is what I'm currently shooting.
Do like H4350 (and H100V) for 140 - 143 gn pills.
Mine wears a Vortex Golden Eagle 15-60x52, which I love, its my best scope by far.
On break in, I cleaned the bore after every 5 for the first 50, not sure it needed it.
I have two of the Romeo5 and recommend them as a solid value. They can be had currently for $120 at PSA.
The wake up feature is great for saving battery life and one less thing to worry about in an emergency.
They get good reviews too.
Has anyone ever Chronographed the 16" AR ?Berger's 1st ed manual p 301 says the 223 loses 24 fps per inch barrel shorter than 24", fwiw..
I wonder how much velocity I will be loosing ?
100 ELD-M, VARGET 38.75 gn, F210M, STARLINE, COL 2.660" => 2932 fps
….123 gr A-MAX over 47.5 grains of Super Performance.... average of 3005 fps My COAL was 2.255". ...Are you sure, seems a little short on the COL side., maybe that's base to ogive.
Hornady 9th ed suggests 2.710" & its what I use for that pill.
My load for that pill @ 3000 fps from 24" barrel is 41.0 gn Varget, COL 2.710". (work up to this carefully, its hot)
My normal load for this pill runs 2861 fps, for best groups.
6.5 CM Starline case capacity is very close to Lapua, but less than Hornady by enough to change the load a bit.
of all the powders listed there, h4350 is slowest at max powder.
A month earlier I got 2777 fps with sd 9.1. Used Magnetospeed V3.
Was basically making brass for another gun.
Probably the biggest weakness in the RAP as a value package is that plastic mag.
I'm thinking their marketing was aware of this mag weakness and thought up a clever two-fer…
(1) Solve a reliability issue with a (2) desirable magazine upgrade feature, ie, sell more guns !!
COL 2.88" SuperFormance from 44.3 up to 47.0, but only had decent results around the low end of that range.
Pressure signs at the upper end, so start low like I did if you try SuperF.
Gave up on the pill since 140s are much easier to work with in the SAV 10.