Southwest Firearms
Defensive Arts
Simply Triggers
Advertise on Northwest Firearms
J&B Firearm Sales
Low Price Guns
Gun Deals
Oregon Rifleworks
HighLine Firearms
Sporting Systems
Buster Beaver Cerakote
The SIGM400 is a family of firearms manufactured by SIG Sauer. The rifle is based on the earlier AR-15 rifle.

View More On Wikipedia.org
  1. Weebs

    Trying to find a unicorn in the wild, Sig 516 or M400 lower receiver - Any ideas?

    I recently picked up a sig 516 upper and I’d like to put it on a 516 or m400 lower. Unfortunately they seem to be impossible to find. I made a WTB posting here and haven’t gotten any bites. I search gunbroker daily and I have active “notify me when it comes in stock” triggers on a couple sites...
Pacwest Defense
Advertise on Northwest Firearms
Sporting Systems
Southwest Firearms
Copeland Custom Gunworks
Cerberus Training Group
Top