Brownells BRN-601 Retro AR-15 Upper


Brownells Reintroduces the BRN-601

Grinnell, Iowa – (ArmsVault) – Brownells is excited to announce the reintroduction of the BRN-601 Retro Upper Receiver. The BRN-601 addresses the long-standing challenges faced by retro AR-15 enthusiasts in their quest for authentic, often scarce components.

Brownells BRN-601 AR-15 Upper
Brownells BRN-601 AR-15 Upper

The BRN-601 is a detail-accurate replica of the upper receiver on the first AR-15 type rifle adopted in the early 1960s. It features the correct “slickside” receiver, fine-quality matte gray anodized finish, a 20″ 5.56x45mm NATO barrel with a 1-12″ twist and chrome-lined bore, chromed slickside M16 bolt-carrier group with a robust 9310 steel alloy bolt, and the distinctive original three prong “duckbill” flash hider.

Brownells BRN-601 AR-15 Upper

BRN-601 Specifications

  • Brownells #: 430105691
  • Model: BRN-601
  • Attachment Type: Direct Mount
  • Item Weight (lbs): 4.320
  • Barrel Contour: Lightweight
  • Cartridge: 5.56×45 NATO
  • Barrel Length: 20.00
  • Kit: Full
  • Gas System Length: Rifle
  • Finish: Anodized
  • Color: Gray
  • Hand: Right
  • Material: Aluminum
  • Receiver Style: Complete
  • Muzzle Threads: 1/2″x28
  • Twist: 1-12
  • Available now from Brownells: 430105691 BRN-601® RETRO COMPLETE UPPER RECEIVER

Combining nostalgia for the early history of the AR-15 rifle with cutting-edge technology, the BRN-601 provides a solution to the problems of availability, affordability, and modern features that have plagued the market for retro AR-15 components.

“We are thrilled to bring back this retro offering to the market,” said Paul Levy, Director of Product Management. “Our team has worked hard to ensure the BRN-601 meets the highest standards of quality and performance. We believe it will be a big hit with retro enthusiasts and anyone looking for a high-quality, reliable upper assembly.”

About Brownells

Serious About Firearms Since 1939™, Brownells is the world’s leading source for guns, gun parts and accessories, ammunition, gunsmithing tools and survival gear. With a large selection of both common and hard-to-find items, and an extensive collection of videos, articles, and gun schematics, Brownells is the expert for everything shooting-related. Committed to maintaining our great traditions, Brownells has more, does more and knows more – and guarantees it all, Forever. For more information or to place an order, call 800-741-0015 or visit Stay up-to-date with Brownells on YouTubeFacebookTwitter and Instagram.