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Old June 26, 2006, 10:14 AM   #120
Senior Member
Join Date: March 8, 2000
Posts: 671
Tom-We have checked with NEF and checked action
The Ultra slug 10-12 ga frame is investment cast like
their larger caliber rifle frames, and heat treated
to increase strength.It is SB2 action for heavier shotgun
loads. Only it has larger diameter firing
pin.It checks as hard as my Savage action.And barrel
is stronger than mild steel barrels, with hammer
forged rifling.And our strong case gripping sides of chamber
when firing holds 40% of the thrust against breech.
Paper and plastic doesn't. You can see difference in metal if you look inside the frames for regular NEF shotguns
and Ultra frame.Ed
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