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AR Gun Parts

7 Tools You Need To Have To Finish An 80 Lower

Everything You Need To Build An 80% Lower Receiver   Once you have your 80% lower receiver and jig, there are some extra items you will need to round-up to make sure you have a successful build.   One of the most modified parts is the lower receiver and there is a whole sub-market of […]

Blemished AR-10 & AR-15 Receivers

Benefits And Drawbacks Of 6061 Or 7075 Aluminum

The Difference Between Using 6061 And 7075 Aluminum For Lower Receivers The AR rifle has become a mainstay of the rifle-using community and, due to its huge assortment of aftermarket accessories and parts, it is regularly referred to as the Swiss Army knife of rifles. When looking at Lower Receivers, many people end up wondering […]

ar-15 blemished receiver

Why Do Gun Barrels Have A Twist?

AR Twist Rates Explained Rifling or ‘twist’ is now an integral part of a gun barrel, and it is a feature that can have a profound effect on your shooting accuracy. Most rifling is created by either, cutting one continuous groove at a time with a special tool, cutting all grooves in one pass with […]

Colt AR-15--AR-10-.308

What’s The Difference Between AR-10 And AR-15 Rifles?

This Is What Sets AR-10 and AR-15 Rifle Apart The AR10 and AR15 are solid workhorse weapons, and pretty interchangeable in terms of their style and functionality, but there is one pretty big, fundamental difference: Caliber.  The 7.62x51mm (~.308 inch) AR10 was developed by Eugene Stoner way back in the 1950’ and entered production at […]