Loki Weapon System’s Patrol Rifle in 300 Blackout pulls double duty as a suppressor-ready entry weapon that can deliver barrier-penetrating 220-grain subsonic loads, or a quick magazine change can ready flat-shooting 2,300 fps 110-grain loads. Shown with the Vortex 1-4x illuminated scope.

So many AR platform manufacturers—and there were more than 75 at my last count—don’t deviate much from the norm of producing a 5.56mm NATO carbine. One of the benefits of the smaller semi-custom AR builders is their flexibility to anticipate the wants and needs of LE, special operations, military and the general shooting public. Loki Weapon Systems, from Atoka, Oklahoma, is one of the first to bring a new 300 Blackout AR to the market.

Jay Lanston photo

A while back, I conversed with Loki’s CEO, Erik Davis, about reviewing the LWSF M4 Patrol Rifle. Our conversation shortly turned to caliber selection, and I had just learned that Remington and Advanced Armament Corportation had designed a new open-source cartridge dubbed the 300 Blackout (BLK). Needless to say, this choice was available for my test rifle.

This Loki Weapon Systems rifle’s billet lower receiver has CQB grips machinedinto the front of the magazine well.

When the Loki Patrol Rifle arrived, I was immediately pleased with its looks. Made from a billet of 7075-T6 aluminum, the receiver’s milling and finishing definitely possess a certain “cool factor.” Differing from a milspec AR lower, Loki’s features an integrated, oversized triggerguard and what they call a CQB magwell grip. Complementing the lower receiver is a seven-position adjustable Ergo F93 Pro stock and an Egro grip.

A green LaserLyte K-15, easily hooked onto the 12-inch Picatinny rail provided an excellent low-light alternative to the Vortex optic.

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Loki Weapon System’s Patrol Rifle in 300 Blackout pulls double duty as a suppressor-ready…