[SHOT Show 2020] New AR Lowers From Brownells for 2020


At the 2020 SHOT Show, I stopped by the Brownells booth and spoke with Steve Ostrem. Steve informed me that the most exciting new products for 2020 are the new BRN-180 and BRN-180M lower receivers.

“The BRN-180 and BRN-180M Lower Receivers were created to take full advantage of the contained recoil system of the BRN-180 Upper Receiver. The BRN-180 Lowers are available in a forged model, which is inspired by the contours of the original AR-180, and a billet, BRN-180M model, which has a modern profile and design. Both feature an Integral Picatinny Rail segment for easy folding stock or brace install.”

BRN-180 ($129.99) details:

“The Brownells BRN-180 Lower Receiver is a forged lower receiver that pays homage to Eugene Stoner and Arthur Miller’s original AR-18 rifle designed in 1963 with all the right visual lines, yet brings in modern AR-15 lower receiver features for a product that gives you the best of both worlds.

“While the original AR-18/AR-180 receiver was constructed from stamped steel, the BRN-180 Lower Receiver is built from 7075 aluminum forgings and is up to the standards of modern AR-15 lower receiver construction. Don’t worry though, we’ve made sure that these forged lower receivers have the cosmetic ‘weld’ marks of the stamped originals.

“The BRN-180 lower receiver utilizes standard Mil-Spec AR-15 lower parts kits, and feed from USGI STANAG style magazines.

“At the rear of the BRN-180 Lower Receiver you will find a 1913 picatinny rail section in place of the unnecessary traditional AR-15 buffer tube threads. This allows for out of the box stock or pistol brace solutions such as those for the Sig MCX or MPX that give you ability to take advantage of the BRN-180 Upper Receivers ‘fire while folded’ design.

  • Forged 7075 aluminum with anodized finish
  • Accepts standard Mil-Spec AR-15 lower receiver parts kits
  • 1913 picatinny stock/brace mounting section

“The Brownells BRN-180 line of products continues to offer the perfect blend of original styling and design, while incorporating modern firearm materials and advancements, and Brownells is proud to add the BRN-180 Lower Receiver as a continuation of this product line.”

BRN-180M ($149.99) details:

“The Brownells BRN-180M Lower Receiver is specifically designed to pair up with the BRN-180 Upper Receivers to maximize the full potential of this unique line.

“While designed to be fully compatible with Mil-Spec lower receiver parts and triggers the BRN-180M Lower Receiver does away with the traditional receiver extension threads and in their place has a milled in 1913 Picatinny rail section for mounting of stocks or braces such as the line for the Sig Sauer® MCX.

“This Lower Receiver is made from billet 7075 T-6 aluminum with a hard-anodized finish, has integral oversized trigger guard, and the unique features of a threaded bolt catch pin and captive set screw for the takedown pin detent spring, both included.

“Due to the proprietary design nature of the BRN-180M Lower Receiver it will not function with standard AR-15 upper receivers.”


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