Chambered for 5.56x45 NATO, originally derived from .223 Remington, 5.56 NATO is the standardized and most popular cartridge developed for the AR-15 platform. Utilizing a .22 Caliber projectile, the low-mass, high-velocity cartridge allows superior weapon handling with manageable recoil and high accuracy. With a wide variety of ammunition choices on the market, 5.56 NATO chambered AR-15s are 'multi-caliber' and can reliably fire both 5.56x45 NATO and .223 Remington cartridges.
Included Is A 10.5" Barrel From ELD Performance Chambered In 5.56 NATO. Made From 4150 CMV QPQ Nitride With A Nitride Finish, This Barrel Is Carbine Gas Length And Has A 1/2x28 Thread Pitch And A 1-7 Twist Rate.
This MP5 ARV Style 1/2x28 Thread Protector has a steel construction with a knurled texture and a black oxide finish.
Built On An Upper Receiver Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
The 10-inch Free Float M-LOK Handguard comes with a full-top Picatinny rail. This high-strength handguard includes QD points at the front and rear for easy sling attachment. It is made from high-quality material that is durable and corrosion-resistant.
The US Tactical 80% Lower is forged and precision machined into an 80% lower and comes unfished so you can customize it to your liking. Created for the AR-15 you will be able to use household tools to complete this build within hours.
The Recoil Technologies Mil-Spec Lower Parts Kit is a complete set of internal parts required for building an AR-15 lower receiver, designed to work with all Mil-Spec AR-15 lower receivers, without including a grip or trigger assembly, enabling customization. It is a reliable and affordable option for building a high-quality AR-15 lower receiver.