Complete Upper Assemblies

Durkin Tactical is proud to offer a wide variety of upper parts and complete upper assemblies. On this page you’ll find everything you need to complete your upper gun build, and you can rest assured that absolutely every item we offer is of the highest-quality and sold at truly unbeatable prices. Here you’ll find complete AR-15 assembled uppers, premium uppers, upper build kits, and more. Explore our selection today.




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Your Destination For AR-15 Parts, Upgrades, and Accessories

Durkin Tactical is your one-stop shop for all of your firearm building needs. From complete AR uppers to complete rifle build kits, you’ll find it here. Keep an eye on our New Arrivals to stay up-to-date with our latest offerings.

Questions? Reach out to us today. Our team of experts is ready to assist you.

Complete AR-15 Upper Assemblies

Ready to upgrade your AR? You’ve come to the right place. Durkin Tactical’s wide variety of complete AR uppers make it simple for you to add the features you want to your rifle in one package. Find upper assemblies with various gas systems (pistol, carbine, and rifle), rail lengths, handguards, and colors. No matter what option you choose, you’ll be working with high-quality, American-made parts.

The Best Value For the Best Parts

Inside each and every build kit we offer, you’ll find a selection of parts that were carefully curated by our team to ensure that you’re getting the best combination for the price. We’re on a mission to deliver high-quality build kits, tactical accessories, and ammo at prices you just can’t beat — and our AR-15 complete upper assemblies are a testament to that.