AGT Nevtor Big Bore .457

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457 Big Bore Rifle

Barrel: Lothar-Walther-850mm

Power Plenum 128.6

OAL 41 inches

Weight 10.3 lbs


Biathlon- style side lever

Velocity

770fps-340grn-447fpe

688fps-500grn-525fpe

Improved air pressure regulator for high pressure

– Pressure gauge

– One-piece made monoblock

– Adjustable buttpad

– Weaver plank for bipod

– Easy air discharge

– Safety catch

– 20 MOA sloped top weaver rail for optic sights

– Ability to mount extra sound moderator

– Power plenum almost 130 ccm

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What will the actual land and groove size be?

We got burned by Airgun Technology on the V3 first by not having the advertised barrel and then by the non standard land and groove size that limits ammo selection. I would never buy another Airgun Technolgy product without guaranteed specifications up front.

Airgun Technology's airguns are well made, they're just not made as advertised. Why advertise a spec like 7.62mm knowing it's really 7.78mm?
 
i don't know of anyone wanting to shoot slugs that slow! My texan carbine does 850fps, and its what I consider the minimum fps to get a reasonable 50 and 100yard poi
770fps-340grn-447fpe

It shoots 340 grain wit 770fps, but if you put 200 grain the speed will be about 950 fps..

Will see and test in a week or two :)