Gun Review: LWRC M6-SPR gas impingement rifle in 5.56 NATO

By James Miller

My LWRC M6-SPR gas impingement rifle. I bought this to compare to the direct-impingement M16A4 I used in the Marine Corp. (Photo: James Miller)
In recent years, the market for gas-piston operated rifles and carbines has expanded rapidly with the demand for a cleaner operating, more reliable rifle possessing the beloved characteristics of the classic AR-15 platform. The Land Warfare Resources Corporation (LWRC) developed their M6 line of rifles—powered by their proprietary short-stroke piston system—to meet this demand.
LWRC employs some impressive technology in their products, such as NiCorr surface conversion on their barrels and nickel-alloy coating on their bolt carriers. The M6 (recently relabeled as IC for “Individual Carbine”) offers a very complete set of features in a package that claims to be an improvement on the reputable AR-15 system.
After exiting the Marine Corps in 2007, the idea of purchasing a piston rifle was attractive to me because I’d spent a ridiculous amount of time cleaning my direct-impingement M16A4, and it still malfunctioned on occasion. An AR-15-type rifle that required very little cleaning and was also more reliable seemed too good to be true. After a fair bit of research, I settled on the M6-SPR as my first foray into the

Source: Guns.com