OTFBOpen Tip Flat Base (ammunition)
OTFBOn-The-Fly Behavior
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References in periodicals archive ?
RangeAR Ammunition features brass and lead-free, copper-jacketed, zinc core OTFB (Open Tip Flat Base) projectile.
Among them are the Barnes 90-grain OTFB, which is part of Barnes's new RangeAR line of ammo, and the Barnes VOR-TX 120-grain TAC-TX load; the HPR 110-grain load; and the SIG SAUER 125- and 220-grain MatchKing loads.
Looking at the two most accurate loads in my Mini-14, one was the Barnes 90-grain OTFB load, and the other was the Barnes VOR-TX 110-grain TAC-TX load.