Welcome to Niosi Firearms Development

Check out our incredible dealls on bulk Ammo!!!!!

We have a full selection of NFA items!

Law Enforcement friendly!

Contact Us

Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours.

Niosi LLC

200 Rogers Way, Suite D, Westhampton Beach, NY

(631) 998-3561 eastendmarksman@gmail.com


Open today

10:00 am – 06:00 pm

Drop us a line!


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