![]() ![]() 5 Mod4 15' M-LOK barrel 9mm rifle upper kit.Zero malfunctions after 1,000 round break-in. Tight tolerances, marries to my AR15 lowers with ease. Very impressed with the quality and function. No feeding issues, no ejection issues, no malfunctions, no bolt hold open issues. Ran through my first 100 rounds today after receiving my complete upper earlier in the week, and there were no issues. I left with, 'This Stuff Works'!! It works great. I came into this retrofit project with a 'hope it works' strategy. Please visit the following link before purchasing to ensure compatibility with your setup. ⦁ All gun components besides the Bolt and Barrel remain stock ⦁ Works with any mil spec ar15 lower receiver. ⦁ Works with all generations of Glock magazines. ⦁ Constructed from 6061 T6 aircraft grade aluminum. The Stern Mag-AD9 series adapters are made of aircraft grade aluminum, lightweight with ergonomic design. Boasting a last round hold open feature making them a breakthrough product and a must-have for law enforcement and civilian gun enthusiasts alike. ![]() 40 S&W Glock Magazines! The Mag-AD series adapters install in seconds. Machined from US Mil-spec AISI 4140 steel and black nitride coated to provide a lifetime of abuse.Ĭonvert your standard mil spec AR 15, M4, M16 lower assembly to use 9mm and. ![]() The twin chamber ports guarantee that every last bit of usable gas is utilized to kill recoil. Full auto tested to ensure that the compensator ports keep muzzle rise to a minimum. Manufactured to the highest quality standards right here in the U.S.A. Weight: 15.5 OZ with weight 13.3 OZ without.Custom 4140 billet extractor providing superior ejection.Also included in bolt assembly is a propriety center and roll pins. Comes fully assembled with all sub-components installed, including firing pin/spring/retaining pin, extractor, and extractor spring. It functions with Colt SMG, Glock magazines and it's fully compatible with standard AR15/M16 charging handles. Made with 8620 AISI steel and boasting a Mag-Phosphate finish, the Stern bolt fits into Mil-Spec and Glock-pattern upper receivers. Made from 6061 aircraft grade aluminum billet and hardcoat anodized. Our latch is Ergonomically designed and provides a positive grip and easy one hand manipulations while charging your weapon under stressful situations. Machined from 7075-t6 aluminum and hard-coat anodized. Mil-Spec flat top upper receiver with Stern Defense laser engraved dust cover and forward assist. Barrel length is measured in overall length from breech to muzzle.Note: Barrel comes with locating pin installed. Some of the barrels on the market do not accommodate this and will potentially result in nasty malfunctions, resulting in a round being stuck in the chamber requiring manual methods to clear the malfunction. We have found that some common defense rounds jam into the rifling before the round is fully chambered. Every stern defense barrel throat is machined deeper for a longer free bore to accommodate bullets with a longer ogive. Our barrels offer an advantage over the competition. Stern 9mm barrels are ideal for gun lovers who want to build their own custom dedicated 9mm AR15 upper group. These handguards also feature quick disconnect swivel holes. Machined from 6061 aircraft grade aluminum and hard-coat anodized for longevity and durability. Features a secure clamp on mounting system that ensures that the handguard remains in place even under heavy abuse, sustained full auto fire, and shooting prone from a bi-pod. This handguard is M- LOKcompatible to accept your favorite attachments. The free float M- LOKhandguard from Stern Defense offers excellent ergonomics while remaining lightweight and strong. Stern Defense assembled upper receiver with dust cover and forward assist. Stern Defense 15 inch M- LOK rail(Barrel nut, bolts etc.) ![]()
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