KAK Industry KF-15 Lower Features The KAK Industry KF-15 stripped lower receiver is machined from quality USA produced 7075-T6 forgings giving builders a strong and consistent foundation for any AR-15 or AR-10 style rifle project. The M4 style fire control group pocket accepts standard mil-spec trigger components without modification keeping the build straightforward for first time and experienced builders alike. Threading for an upper receiver tensioning screw helps eliminate upper to lower play for a tighter more precise fit between receiver halves. Pictogram selector markings on both sides of the receiver keep safety status clear for right and left handed shooters alike a small touch that matters when a rifle changes hands on the range or gets passed down to a new owner. A Type 3 Class II hard coat anodized deep matte black finish protects the receiver from the elements and daily wear while giving it a clean consistent appearance that matches most mil-spec AR-15 components on the market. The flared magwell speeds up reloads under pressure by guiding magazines into place more easily than a standard opening a real advantage when seconds count in competition or a defensive scenario. Because the KF-15 accepts all mil-spec sized lower receiver components builders can source triggers grips stocks and magazine releases from nearly any manufacturer without compatibility concerns keeping parts costs down and build options wide open. This receiver is the canvas for a custom multi-caliber rifle build whether the goal is a home defense carbine a competition gun or a dedicated range rifle and its forged 7075-T6 construction means the finished build will hold up to years of hard use without flexing or wearing out of spec. KAK Industry KF-15 Lower Specifications Manufacturer: KAK Industry Model: KF-15 Type: Stripped Lower Receiver Action: Semi-automatic Caliber: Multi Color: Black Finish: Anodized Material: 7075-T6 Aluminum Forging Safety: Manual Weight: 8 oz Available At: GrabAGun