Has anyone tried running the D4198 in a Tavor w/55 gr campro?
Because the D4198 is so fast, the gas pressure is much lower towards the end the barrel compared to slower powders. I had mixed results on my Mid-length AR's. 21.0-21.5gr of D4198 & Campro 55gr cycled fine in an 18" mid-length even with an H3 buffer. However, the same loads would NOT cycle in 14.5 mid-length with a carbine buffer. The longer 18" barrel increases the duration of pressure at the gas block and allows enough gas through to cycle the action.
You should be fine with the 18.5" barrel, I think the Tavor gas port position is similar to a carbine length AR so there should be plenty of gas to cycle the action.
eta for more is about 2 weeks. other powders due this summer/fallAny updates for the next powder shipment? Any news for others powders like 4895 or 4227?
[TABLE="width: 1088"]
[TR]
[TD]Stats - Average[/TD]
[TD="align: right"]2849.55[/TD]
[TD]fps[/TD]
[TD="colspan: 2"][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Stats - Highest[/TD]
[TD="align: right"]2868.97[/TD]
[TD]fps[/TD]
[TD="colspan: 2"][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Stats - Lowest[/TD]
[TD="align: right"]2833.64[/TD]
[TD]fps[/TD]
[TD="colspan: 2"][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Stats - Ext. Spread[/TD]
[TD="align: right"]35.33[/TD]
[TD]fps[/TD]
[TD="colspan: 2"][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Stats - Std. Dev[/TD]
[TD="align: right"]17.93[/TD]
[TD]fps[/TD]
[TD="colspan: 2"][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Shot ID[/TD]
[TD]V0[/TD]
[TD]V50[/TD]
[TD]V100[/TD]
[TD]V150[/TD]
[TD]V200[/TD]
[TD]V250[/TD]
[TD]Ke0[/TD]
[TD]Ke50[/TD]
[TD]Ke100[/TD]
[TD]Ke150[/TD]
[TD]Ke200[/TD]
[TD]Ke250[/TD]
[TD]PF50[/TD]
[TD]Proj. Weight[/TD]
[TD]Date[/TD]
[TD]Time[/TD]
[/TR]
[TR]
[TD="align: right"]1[/TD]
[TD="align: right"]2869[/TD]
[TD="align: right"]2679[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1005[/TD]
[TD="align: right"]876[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]147.35[/TD]
[TD="align: right"]55[/TD]
[TD="align: right"]5/05/17[/TD]
[TD="align: right"]14:45:02[/TD]
[/TR]
[TR]
[TD="align: right"]2[/TD]
[TD="align: right"]2834[/TD]
[TD="align: right"]2643[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]980[/TD]
[TD="align: right"]852[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]145.37[/TD]
[TD="align: right"]55[/TD]
[TD="align: right"]5/05/17[/TD]
[TD="align: right"]14:45:16[/TD]
[/TR]
[TR]
[TD="align: right"]3[/TD]
[TD="align: right"]2846[/TD]
[TD="align: right"]2651[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]989[/TD]
[TD="align: right"]858[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]145.8[/TD]
[TD="align: right"]55[/TD]
[TD="align: right"]5/05/17[/TD]
[TD="align: right"]14:45:29[/TD]
[/TR]
[/TABLE]
![]()
top L 21.1grs, mid L 21.5grs, bottom L 21.3grs, R lower 21.7grs, R higher 21.9grs. 100y from Ruger m77 Scout 16.1"
55gr Hornady SP w/c @ 2.283" OAL (.030" off lands), Hornady brass, Dominion primer
Doppler results from 21.7grs
Code:[TABLE="width: 1088"] [TR] [TD]Stats - Average[/TD] [TD="align: right"]2849.55[/TD] [TD]fps[/TD] [TD="colspan: 2"][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]Stats - Highest[/TD] [TD="align: right"]2868.97[/TD] [TD]fps[/TD] [TD="colspan: 2"][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]Stats - Lowest[/TD] [TD="align: right"]2833.64[/TD] [TD]fps[/TD] [TD="colspan: 2"][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]Stats - Ext. Spread[/TD] [TD="align: right"]35.33[/TD] [TD]fps[/TD] [TD="colspan: 2"][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]Stats - Std. Dev[/TD] [TD="align: right"]17.93[/TD] [TD]fps[/TD] [TD="colspan: 2"][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]Shot ID[/TD] [TD]V0[/TD] [TD]V50[/TD] [TD]V100[/TD] [TD]V150[/TD] [TD]V200[/TD] [TD]V250[/TD] [TD]Ke0[/TD] [TD]Ke50[/TD] [TD]Ke100[/TD] [TD]Ke150[/TD] [TD]Ke200[/TD] [TD]Ke250[/TD] [TD]PF50[/TD] [TD]Proj. Weight[/TD] [TD]Date[/TD] [TD]Time[/TD] [/TR] [TR] [TD="align: right"]1[/TD] [TD="align: right"]2869[/TD] [TD="align: right"]2679[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]1005[/TD] [TD="align: right"]876[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]147.35[/TD] [TD="align: right"]55[/TD] [TD="align: right"]5/05/17[/TD] [TD="align: right"]14:45:02[/TD] [/TR] [TR] [TD="align: right"]2[/TD] [TD="align: right"]2834[/TD] [TD="align: right"]2643[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]980[/TD] [TD="align: right"]852[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]145.37[/TD] [TD="align: right"]55[/TD] [TD="align: right"]5/05/17[/TD] [TD="align: right"]14:45:16[/TD] [/TR] [TR] [TD="align: right"]3[/TD] [TD="align: right"]2846[/TD] [TD="align: right"]2651[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]989[/TD] [TD="align: right"]858[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]0[/TD] [TD="align: right"]145.8[/TD] [TD="align: right"]55[/TD] [TD="align: right"]5/05/17[/TD] [TD="align: right"]14:45:29[/TD] [/TR] [/TABLE]
to compare, Aguila 55gr FMJ ammo does 2878 fps, and Hornady 55gr SP ammo does 2873 fps
D4064?
D4064?
Darget would be best, but 4064 is close second imho. Good for everything 223 and 308, plus the 147grains campro in 300wsm. Go for it, I'll buy a 5lb.