22mods4all presents our 5.56 Nato assembled upper receivers!
Gas systems range from Pistol to Rifle Length. If accuracy, cost efficiency, and flexibility are what you are looking for, our 5.56 Nato Upper Receivers are the perfect solution. All products are made in the USA, from our lightweight free floating MLOK handguard to the upper receiver. This MLOK free floating handguard will allow you to attach all your favorite accessories and give you a comfortable grip which feels great while shooting at the range, competitions, etc. Our bolt carrier group and upper receivers for the 5.56 Nato are compatible with Last Shot Hold Open and can be used with an AR15 MILSPEC metal lower. Great promotions are run daily on these amazing products.