Windham Weaponry 11” Medium Profile Upper Receiver Assembly with A2 Front Sight and Samson Rear Flip

In stock (can be backordered)

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SKU UR11MEDLHRF Category Tag

This 11” medium profile barrel assembly is chambered in .223/5.56mm and comes with both front and rear sights. This premium barrel is machined from 4150 chrome moly Vandadium 11595E Steel. It is chrome lined in bore and chamber for long wear and ease of cleaning. The black manganese phosphate finish protects against pesky rust and corrosion. The turn is 1 in 9” – right hand twist for optimum accuracy. The assembly includes single heatshield handguards. The assembly is completed with Samson Rear Flip Sight and an A2 Front Sight.  Just install your Carrier Assembly and Charging Handle, Snap this into your Pistol lower and hit the range today!

NOTICE: THIS PART MUST BE USED IN – OR WITH – A PISTOL OR TITLE II RECEIVER (NFA REGISTERED) FOR LEGALITY. This requirement is in accordance with Title 27 Code of Federal Firearms Regulations [Subpart B-Definitions (479.11) (a) thru (g) under Firearms]. For any further questions you may have concerning Local, State or Federal compliance, please contact the Alcohol, Tobacco, & Firearms Bureau. Local listings available at

CALIFORNIA RESIDENTS ONLY – WARNING: Cancer and Reproductive Harm –


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