The.300 Blackout is one of the most popular self-defense calibers on the market. This round was developed with urban warfare in mind, making it a great option for home defense. This round is known for close-range stopping power and being really quiet when suppressed. If you're looking for some of these qualities in your next rifle, this .300 Blackout Upper Build Kit can help. This Upper Build Kit is a low-cost option that can take the hassle out of building your next custom AR-15.
This barrel is chambered in .300 Blackout with a classic 1:8 twist rate. It is made from 4150 Chrome Moly Vanadium steel with a black nitride finish to improve longevity and reliability. It operates on a carbine gas system and has an M4 barrel extension
The Helius Tactical 1776 Muzzle device is a patriotic take on a classic muzzle design. It is made from 416 stainless steel. This design features comp holes for vertical recoil reduction and brake ports to help maximize overall felt recoil.
The Davidson Defense Black Diamond Series AR-15 Billet Upper Receiver is machined from Billet 6061-T6 Aluminum. It is incredibly durable and has a deep black anodized finish that gives any build a classic look and feel. This upper receiver features a full 1913 Picatinny rail for easy installation of accessories. It has M4 feed ramps and a standard dust door. This rugged upper receiver is high-strength and corrosion-resistant making it the perfect addition to almost any AR-15 build.
This Upper Features A Premium 15" M-Lok Handguard. This Handguard Allows You To Comfortably Grip Your Rifle In A Variety Of Shooting Positions And Securely Mount A Variety Of Accessories.