Sig Sauer 716i TREAD



sig sauer tread

Familiar handling, unfamiliar power, SIG SAUER has taken the proven features of the SIG516 and applied them into a potent AR-based rifle chambered in 7.62 NATO. Utilizing the tried and true Direct Impingement System, an M1913 Mil-Std rail, free-floating barrel, aluminum forend, and telescoping stock, the SIG716 is the rifle of choice when you require the power of a larger caliber carbine.

sig sauer tread

Mag Type AR-10
Operating System Direct Impingement

The sig sauer tread716i Tread AR-10 Rifle is ready for the range straight out of the box with a 20 round AR-10 style Magpul PMAG and an M4 flat top upper receiver for your favorite optic. It features a 16” carbon steel barrel with a 1:10 twist rate and an adjustable gas block. The carbon steel barrel features a black Nitride finish and a three-prong flash hider with a lightweight M-LOK free-float handguard. The lower receiver features ambidextrous controls, an ergonomic pistol grip, and a single-stage Mil-Spec trigger. Attached to the carbine length buffer tube is a Magpul MOE SL-K carbine stock. The SIG 716 Tread is a lightweight modern sporting rifle that is a great addition to any collection SIG Sauer M400 TREAD 5.56 NATO Rifle is a tactical-style rifle that offers versatile performance and customization. Ambidextrous controls on this AR-15 rifle allow use by both right- and left-handed shooters. A Magpul SL-K 6-position telescoping stock offers an adjustable length-of-pull for more comfortable and accurate shooting. As a 5.56 NATO rifle, this Sig Sauer is capable of chambering both 5.56 NATO and .223 rounds. A mid-length direct impingement gas system cycles gas back through the barrel for smoother auto-loading and semi-auto action. This tactical rifle features an optics-ready rail and free-floating handguard for mounting accessories like sights and grips. With an included 30 round mag, the SIG M400 TREAD NATO 5.56 Rifle delivers a comfortable, customizable experience right out of the box.

The Sig Sauer SIGM400 TREAD semi-automatic pistol is a 5.56 NATO AR-15 type gun based on an 11.5” long barrel. This barrel has a 1 to 7” twist ratio, a 1/2″x28 TPI thread and is fronted by a birdcage flash suppresser. The TREAD rubric signifies the gun is part of Sig’s more affordable TREAD product line.

sig sauer tread

The carbon steel barrel has an FNC (ferritic nitrocarburizing) treatment that uses a salt-bath to mate carbon and nitrogen to the barrel for increased ruggedizing. The SIGM400 TREAD boasts a single-stage polished and hard-coated curved trigger that works in conjunction with the arm’s direct impingement system. In back is a Shockwave pistol brace ergonomically designed to combine comfort with lightweight flexibility.

The gun comes standard with Sig’s own black ROMEO5 1×20 red-dot optic. This nifty device is roughly 2.5” long by 2.5” tall by 1.5” wide. The ROMEO5 has ten illumination settings and a 2 MOA red dot, IPX 7 waterproofing, MOTAC (Motion Activated Illumination), and should be good for about 50,000 hours (over six years!) of battery life. That’s a really long time between battery swaps! As if that wasn’t enough, SIG also provides flip-up front and rear iron sights!

The aluminum receiver is hard coat anodized and crested with an integrated Picatinny accessory rail. The gun has an ambidextrous fire selector, ambidextrous magazine release.

The important dimensions are its 7.5” height, 2.5” overall width and its 27” overall length. Total weight is only 6.0 pounds.

The gun has a free-floating alloy M-LOK forend that’s further enhanced with lightening cuts. It has M-LOK slots on the sides and on top. The handguard is raised on top to hide the gas block and gas tube, but instead of having an angled bottom, the bottom is ergonomically curved for comfort. This semi-auto also has ambidextrous controls such as the ambidextrous aluminum charging handle making it usable by pretty much anyone.

The SIGM400 TREAD has a polymer grip with texturing on the sides and horizontal serrations in front and back. Moreover, the grip includes an integrated beavertail for a more comfortable hold.


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