It looks to me like the "black" ammo is the same stuff, just packaged differently. It shows the exact same velocity from the 11.5 inch test barrel. I would like to know what Hornady says about that.
It looks to me like the "black" ammo is the same stuff, just packaged differently. It shows the exact same velocity from the 11.5 inch test barrel. I would like to know what Hornady says about that.
I just spoke to a tech at Hornady who confirmed that the TAP SBR 75 gr load it is identical to the 75 gr Black load. Only the packaging is different.
Thanks for the review!
More data:
DD 10.75" (chopped) 2226fps, 1.7" 10-shot @ 100 yds, T-1
This ammo does seem quiet (suppressed) compared to BH or IMI 77 OTM, although it gives up 150-220fps depending on the particular barrel. (10.5-11.5" that I tested)
Last edited by MQ105; 02-18-17 at 18:12.
For comparison (all velocities are with M4SDII):
DD 10.75" --- 75 TAP SBR 2226, 75 Gold Dot 2183, 77 IMI 2391 64 Gold Dot 2287 62 Mk318 2604
Sionics 11.5" -75 TAP SBR 2244, 75 Gold Dot 2273, 77 IMI 2456 64 Gold Dot 2479 62 Mk318 2741
So, yes, the 75 GDs are a bit faster in my tests than the 75 TAP SBR. Still almost 100fps slower than the referenced test.
Last edited by MQ105; 02-23-17 at 11:32.
I have the reduced port barrel, and have also installed a homemade gas block port reduction insert that is .0630". It's pretty good with the M4SDII and will cycle Wolf Gold.
Without the suppressor:
it locks back 100% when clean and/or freshly lubed. When dirty and without recent lube it cycles 100% but won't reliably lock back. With M193, M855, Mk262, Mk 318 it is 100% whether dirty, clean, whatever, and locks back.
Last edited by MQ105; 02-24-17 at 18:15.
The .070 port in the reduced port barrel runs very well non suppressed.
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