If you like to have civilian versions of military issue rifles, then SIG will you covered with their latest release. The new MCX-SPEAR is based on the U.S. Army’s Next Generation Squad Weapon, the XM7. It’s chambered in 6.8X51mm, also known as .277 SIG Fury on the civilian market, just like its military counterpart. Take a look below to see what the MCX and the 6.8×51 have to offer.

SIG MCX-SPEAR Features

The MCX-SPEAR is a gas piston operated semi-automatic rifle with a 16-inch cold hammer-forged barrel. It’s fitted with a suppressor ready Clutch-Lok QD Flash hider. As noted, it’s chambered for the 6.8×51 round and is fed from steel 20-round box magazines. The MCX has a steel-folding, non-reciprocating charging handle on the side as well as a steel rear-charging handle. That seems a little redundant to me but I guess the Army likes it that way.

The MCX-SPEAR is equipped with an ambidextrous safety, bolt catch and mag release and has a two-stage match trigger. Control layout is very similar to the M4 so users familiar with that platform should adjust to the MCX easily. The rifle has a free floating M-LOK handguard, along with a polymer AR-style grip and Magpul SL-M side folding stock.

The 6.8×51 Cartridge

The Army’s new round is the 6.8x51mm. This is a hybrid round capable of muzzle velocities in excess of 3,000 FPS with a 113-grain bullet out of the MCX-SPEAR’s 16-inch barrel. Ammunition is currently available from SIG SAUER under the .277 SIG Fury name.

The MCX-SPEAR platform also allows for caliber conversion between 6.8×51, 7.62×51 and 6.5 Creedmoor if you’re cautious about jumping into a new round or just like to have options. There’s also a 13-inch barrel option available as well if you like your rifles shorter.

SIG MCX-SPEAR Specifications

CALIBER: 6.8 X 51
SIGHTS: Optics Ready
BARREL LENGTH (In.): : 16.0 inches
MAGS INCLUDED: (1) 20rd Steel Mag
MAG TYPE: AR-10
ACTION TYPE: Semi-Auto
STOCK: Folding Telescoping Magpul SL-M Stock
BARREL MATERIAL: Cold Hammer Forged Steel
TRIGGER TYPE: Curved Match
TWIST RATE: 1:7
FOREND Type: Alloy
GRIP TYPE: Polymer
RECEIVER FINISH: Coyote Anodized
OVERALL LENGTH: 38.3 in.
OVERALL WIDTH: 2.5 in.
HEIGHT: 8 in.
THREADS: 5/8 in. – 24
ACCESSORY RAIL: M-LOK
OPERATING SYSTEM: Gas Piston Adjustable Gas System
WEIGHT: 9.2 lb.s w/magazine
MSRP: Not Listed at This Time

The MCX-SPEAR will soon be available, but the ammunition is available in select locations and on the SIG website retails for $80 for 20-rounds, though it can be had for less at other retailers. For more information on the MCX-SPEAR, check out SIG’s website at SigSauer.com

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