Stern Defense AR-15 Upper Receiver 9mm 16.1in Barrel 15in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SCB 9 Comp Break Black 015-SD15INCHMOD4-KK

Stern Defense AR-15 Upper Receiver 9mm 16.1in Barrel 15in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SCB 9 Comp Break Black 015-SD15INCHMOD4-KK. ) Stern Defense 16.1 inch 9mm barrel. SD CB9 COMPENSATOR BREAK Stern Defense assembled upper receiver with dust cover and forward assist. Stern Defense SD BU9 Glock cut bolt. SD CH1 enhanced charging handle. Will come assembled. Information: Handguard. The free float M-LOK handguard from Stern Defense offers excellent ergonomics while remaining lightweight and strong. This handguard is M-LOK compatible to accept your favorite attachments. 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. Machined from 6061 aircraft grade aluminum and hard-coat anodized for longevity and durability. These handguards also feature quick disconnect swivel holes. Also Included Barrel Nut and Bolts. Technical Information: 6061 aircraft grade aluminum. Hard-coat anodized. Sturdy construction. Light weight construction. Length 15 inches. Smallest inside diameter 1.435 inches. made in specialized factories Barrel. Stern 9mm barrels are ideal for gun lovers who want to build their own custom dedicated 9mm AR15 upper group. Our barrels offer an advantage over the competition. Every stern defense barrel throat is machined deeper for a longer free bore to accommodate bullets with a longer ogive. We have found that some common defense rounds jam into the rifling before the round is fully chambered. 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. Note: Barrel comes with locating pin installed. Information: Barrel length is measured in overall length from breech to muzzle. Caliber: 9mm. Length: 16.1 Inches. made in specialized factories Threaded .5-36. 1:10 TWIST. 4150 Chrome-moly steel. Melonite coating. Receiver. Mil-Spec flat top upper receiver with Stern Defense laser engraved dust cover and forward assist. Machined from 7075-t6 aluminum and hard-coat anodized. Mil-spec dry film lube in the bore. Technical Information: 7075-t6 aluminum Hard-coat anodized. Sturdy construction. made in specialized factories Charging Handle. Mil-spec charge handle for AR-15 rifles. Laser engraved with Stern Defense logo. Our latch is Ergonomically designed and provides a positive grip and easy one hand manipulations while charging your weapon under stressful situations. Made from 6061 aircraft grade aluminum billet and hardcoat anodized. Technical Information: Laser engraved. 6061 aircraft grade aluminum billet Hard coat anodized. Sturdy Construction. made in specialized factories Bolt. Made with 8620 AISI steel and boasting a Melonite finish the Stern bolt fits into Mil-Spec and Glock-pattern upper receivers. It functions with Colt SMG Glock magazines and it's fully compatible with standard AR15/M16 charging handles. Comes fully assembled with all sub-components installed including firing pin/spring/retaining pin extractor and extractor spring. Also included in bolt assembly is a propriety center and roll pins. Technical Information: made in specialized factories Constructed from 8620 AISI steel. Custom 4140 billet extractor providing superior ejection. Glock cut. Coating: Melonite Weight: 15.5 OZ. 9MM COMP BREAK Manufactured to the highest quality standards right here in the U.S.A. Full auto tested to ensure that the compensator ports keep muzzle rise to a minimum. The twin chamber ports guarantee that every last bit of usable gas is utilized to kill recoil. Machined from US Mil-spec AISI 4140 steel and black nitride coated to provide a lifetime of abuse. . Note: Comes with crush washer. Technical Information: Full auto tested US Mil-spec AISI 4140 steel. Sturdy construction. Black nitride coating made in specialized factories 9MM Threaded .5-36 Speci