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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