Rainier Arms forged lower receiver is made from 7075 aluminum. The best anodizing dies are used for a deep black finish. Features a upper to lower tensioning screw and a flared out magwell for quick mag changes.

Battle Arms 45 Degree Selector Compatible


Shipping

  • Will only ship to another FFL dealer. Please have your dealer email a copy of their current FFL to REDACTED. 
  • $25 shipping