Stern Defense 8in Mod 5 M-LOK .45 ACP Upper Assembly, 6in Black Melonite Barrel 015SD8INCHMOD5MLOK6INC

Product Description

Build a dedicated .45 ACP AR upper with this Stern Defense Mod 5 M-LOK upper assembly featuring a 6-inch Black Melonite-finished barrel and an anodized, mil-spec flat-top upper receiver. The free-float M-LOK handguard is designed for excellent ergonomics while staying lightweight and strong, using a secure clamp-on mounting system intended to hold position under hard use and sustained firing. The assembly includes a mil-spec charging handle and a Stern bolt assembly engineered to run in Mil-Spec and Glock-pattern upper receivers and function with Colt SMG and Glock magazines, making it a strong foundation for a compact .45 ACP AR build.

Product Highlights

• Free-float Mod 5 M-LOK handguard with secure clamp-on mounting for hard-use stability
• 6-inch .45 ACP barrel with durable Black Melonite finish for corrosion and wear resistance
• Mil-spec flat-top upper receiver with enlarged ejection port to accommodate larger rounds like .45 ACP
• Includes mil-spec charging handle for positive grip and one-hand manipulations
• Fully assembled bolt group with installed sub-components (firing pin, extractor, springs, and retaining pin)

Specs

• Brand: Stern Defense
• Manufacturer Part Number: 015SD8INCHMOD5MLOK6INC
• UPC: 850001176576
• Caliber: .45 ACP
• Barrel Length: 6 in
• Barrel Finish: Black Melonite
• Barrel Material: Chrome Moly Steel
• Handguard: Free-float M-LOK (6061 aircraft-grade aluminum, hard-coat anodized) with quick-disconnect swivel holes
• Upper Receiver: Mil-spec flat top (7075-T6 aluminum, hard-coat anodized) with laser-engraved dust cover and forward assist
• Receiver Features: Enlarged ejection port; dry film lube in bore
• Charging Handle: Mil-spec AR-15 charging handle (6061 aircraft-grade aluminum billet, hardcoat anodized)
• Bolt Material/Finish: 8620 AISI steel with Mag-Phosphate finish
• Compatibility Notes: Functions with Colt SMG and Glock magazines; compatible with standard AR15/M16 charging handles; bolt compatible with Law Tactical folding stock
• Weight: 3.405 lb
• Package Dimensions (L x W x H): 18.7 x 4.4 x 4.4 in

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