Brownells BRN-180 5.56x45mm NATO 16.25” Semi-Auto Rifle, Timney Trigger
SOLD FOR: $1,151.00
LSB#: LSB260430RE004
Make: Brownells
Model: BRN-180
Serial Number: 180-04975
Year of Manufacture: Modern
Caliber: 5.56mm NATO
Action Type: Semi-Automatic, Short Stroke Adjustable Gas Piston.
Markings: The right side of the receiver is marked with the serial number and model. The left side of the receiver is marked with the Brownells rollmark. The upper is marked BRN-180.
Barrel Length: 14.5” High temp silver braised to 16.25” OAL w/ muzzle device.
Sights / Optics: The top of the rifle has a full length Picatinny rail.
Stock Configuration & Condition: This rifle has a three piece stock set with a M-Lok aluminum forend, Strike Industries textured rubberized pistol grip, and Manicore Arms AR-180 style trapdoor side folding stock attached to the rear picatinny rail on the receiver. There are light handling marks throughout. There are no chips or cracks. The LOP measures 13.75” from the front of the trigger to the back of the unfolded buttstock. Overall the stock set is in Excellent overall condition.
Magazine Quantity & Condition: None.
Type of Finish: Black Anodized, Nitride
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore. In this writer’s opinion the bore rates about 9.75/10.
Overall Condition: This rifle retains about 98% of its metal finish. There are faint handling marks throughout. The barrel has light discoloration from heat. The action has faint wear. Overall, this rifle rates in about Very Good to Excellent condition.
Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements. This rifle sports a Timney gold trigger, 2-position gas block, and KNS 90 degree folding charging handle.
Box, Paperwork & Accessories: Original charging handle.
Our Assessment: The Brownells BRN-180 is a modern semi-automatic rifle inspired by the original AR-180 design, incorporating a self-contained short-stroke gas piston system that eliminates the need for a traditional buffer tube. This allows for the use of side-folding stocks while maintaining reliable operation and a compact footprint. Chambered in 5.56x45mm NATO, a cartridge introduced in the mid-20th century and widely adopted for its flat trajectory and controllable recoil, the BRN-180 reflects a blend of historical influence and contemporary engineering. Its piston-driven system, monolithic upper design, and modular interface make it a distinct alternative to standard direct impingement platforms. This example presents in very good to excellent overall condition, retaining approximately 98 percent of its original finish with only faint handling marks visible. The bore is bright with sharp rifling and minimal wear, supporting strong performance potential. The rifle features a 14.5 inch barrel that has been permanently extended to 16.25 inches overall length, and shows light heat discoloration consistent with use. The M-LOK aluminum forend, Strike Industries grip, and Manicore Arms side-folding stock are all in excellent condition, providing a classic and ergonomic interface. The inclusion of a Timney trigger enhances trigger performance, while the adjustable gas system and KNS folding charging handle add to the rifle’s adaptability and functionality.
The BRN-180 represents a modern interpretation of a historically significant rifle design, combining piston-driven reliability with contemporary modularity. Its strong condition, upgraded components, and refined configuration make it a well-rounded example of a rifle designed for versatility and performance. With its blend of classic inspiration and modern enhancements, it stands as a capable and distinctive option within the current landscape of semi-automatic rifles. -R.E.