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Old September 20, 2006, 10:40 PM   #164
Senior Member
Join Date: March 8, 2000
Posts: 671
Good news-First tested 87 levergun.
Using Rocky Mtn cases cut back.Cut case
back to length that feeds from magazine,
2.45 in. That is about max length of any
loaded and crimped 2.75 case.Got 600gr to 1700
with 20 in barrel.120 gr of RE-7.No squib loads.
Cases eject good, expanded a little
ahead of base .003, resize ok.Now the second
good news. Seeing as how these non traditional
powders used in shotgun didn't expand the
turned cases a lot( in our cases made from
bmg brass it took over 10 loads to expand
bases enough to need sizing)............
I figured time to check plastic cases.
Plastic cases took the same load as turned
brass in 1887 and the NEF.120 gr RE-7 in
1887(It wouldn't hold anymore without
a lot of compression) and
140 gr in NEF. Tested Fed,Win,Rem,highbase,
and low base. So you guys out there
who want to get the power that NEF and
1887 are able to deliver use good plastic
cases as a way to get started with
600 gr slugs.You don't need heatreated
for those speeds just hard cast
from wheel wts.. Win AA 2 & 3/4 best for 1887.
It is lowbase and easiest to resize.
To get potential(extra 200 fps) it needs a long barrel.They made long barrels in original.
I used federal 3 inch case in Nef.By the way modern plastic cases have steel bases with
copper plating so they are strong. I tried
one of the fast shotgun powders, that
previously expanded the brass
turned case to much, in plastic cases in
NEF and at 50 gr case was sticking
and had expanded quite a bit, but same
case with 140gr RE-7 popped out easy,
and resized easy.
Never could find use for RE-7 till now.Ed
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