NRA Gun of the Week: Del-Ton Sierra 316L MLOK

posted on April 2, 2021
What began in North Carolina as a parts and accessories supplier for America’s modern sporting rifle, Del-Ton Inc., now supplies a full lineup of turn-key, semi-automatic rifles. The company’s Sierra 316L, subject of this week’s video preview, provides the versatility of a modernized AR-15 platform while maintaining a cost-conscious approach.

Right side black rifle with text on image noting make and model "Del-Ton Sierra 316L MLOK"

Del-Ton supplies 7075 T6 aluminum, forged upper and lower receivers that are hardcoat anodized for a matte black finish. The flat-top upper is configured for right-hand ejection, along with a forward assist mechanism and ejection port cover.

Man bearing down on black-colored rifle on white shooting range.

The Sierra 316L features a 15” handguard, and thanks to Magpul’s MLOK mounting system, users can simply accessorize as needed. Del-Ton supplies a lightweight profile, 16” barrel. A twist rate of 1 in 7” is supplied and the barrel is threaded and fixed with a birdcage-style flash hider.

Close-up gun trigger and black metal receiver parts.

The gun’s lower is configured with standard, no-frills controls; a two-position safety selector is found on the left and on the right side is a magazine release button. The gun’s mil-spec buffer tube is fitted with a five-position collapsing buttstock. Provisions for sling attachment are found here, too.

Black plastic buttstock for rifle.

Watch our NRA Gun of the Week video to learn more about the Del-Ton Sierra 316L MLOK.

Del-Ton Sierra 316L Specifications
Manufacturer: Del-Ton Incorporated
Action Type: direct-gas, impingement-operated, semi-automatic rifle
Chambering: 5.56x45 mm NATO
Receivers: forged 7075 aluminum
Barrel: 16” lightweight profile
Handguard: 15” MLOK compatible
Magazine: 30-round detachable box
Sights: none; Picatinny rail for optics
Length: 36.375”
Weight: 6 lbs., 3 ozs.
MSRP: $675

Further Reading:
Selecting An AR

AR-15 Budget Build: DIY

The First Colt AR-15 Rifle

Muzzle Devices 101

A Look Back At The M1911 Double-Stack

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