Is a billet lower better?
Billet lowers tend to be heavier due to the excess material left on for design or aesthetics, however the weight difference when compared to forged is minimal. Most consumers tend to agree that the custom look of the billet is worth the ounce or so of weight gain.
Which is better forged or billet 80% lower?
Metallurgists agree that a forged piece of aluminum is stronger than cast or billet. The reason being, when the material is shaped under pressure, its ‘grain’ follows the same shape as the part. As a result, the product manufactured is stronger due to the continuous grain characteristics allowed by the forging process.
Are billet lowers mil spec?
Billet receivers are not considered to be Mil-Spec because the manufacturing process, materials and dimensions can vary from the military call-outs. Due to the added thickness and custom designs, some Mil-Spec style parts may have fitment issues.
Is billet stronger than cast?
Billet aluminum is generally considered a stronger material than cast. Billet parts are made from a single block of material that is machined down on a CNC mill. The result is a gorgeous part that can be made to match an engineer’s design with perfect precision.
Are billet uppers good?
Billet enthusiasts often tout their uppers for having more precise fitment, but in practice, the fitment is only as good as the manufacturing of both parts in the marriage. Naturally, if an armorer marries a billet upper to a billet lower from the same manufacturer, it’s going to be a match made in heaven.
Why is billet so strong?
Having two identical materials to choose from—one cast and one billet—is rare, though. That leads us to the main reason why billet material tends to be stronger. That is, alloys that are better for machining tend to be stronger while alloys that are better for casting tend to be softer.
What are billet 80 lowers for the AR-15?
Billet 80 lowers, which can be made from either 7075-T6 or 6061-T6 aluminum, are machined from an extruded billet of aluminum (which is also finished via CNC machining). Billet 80 lowers may not be compatible with mil-spec components. What are Forged 80% Lowers for the AR-15?
What is an 80 lower receiver?
What is an 80 Lower Receiver? An 80% Lower Receiver, sometimes called “80 lowers” or “a paperweight”, are AR-15, .308, or AR-9 lower receivers that are 80% finished in the machining process. There’s still a small amount of finishing to be done to make these products a legal firearm.
What is a forged 80% lower?
All forged 80% lowers start as “receiver blanks” that are formed (forged) under high heat and pressure into the general shape of an 80% lower. There are only a handful of companies in the USA that are responsible for producing the majority of receiver blanks.
Where are 80% lowers manufactured?
All our 80% lowers are milled to perfection on precision CNC machinery, manufactured here in the USA. We create the world’s best 80 percent lowers, perfect for completing at home with one of our industry-leading receiver jigs. In fact, we are the first company in the world to offer the simplistic router jig that revolutionized the industry.