It's an attention getter for sure. The Mk1 is the original pistol, the Mk2 adds a rear rail to mount an SBR stock or a pistol brace, and a full-length rail for optics.

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The EXP-556 Pistol – Mk 2 is proudly MADE IN THE USA by hard working American men and women and comes with a one year factory warranty against manufacturer defects. NO SHIPMENTS OUTSIDE THE USA. MISSOURI RESIDENTS DO PAY A 8.575% SALES TAX. WE ARE ALSO CLOSED THE 1'ST SATURDAY OF EVERY MONTH AND HOLIDAYS.

This is the Ultra Light Weight Extar Exp Mk2 EXP-556 Pistol - Mk 2 Model: EXP-556 Pistol - Mk 2 Type: Semi Automatic Gas Operated Pistol Caliber: 5.56 mm Magazine: Accepts any standard AR-15 magazine - Comes with a 30 rd magazine Weight (unloaded): 3 lbs 3 oz Overall Length: 18 inches (45.72 cm) Barrel Length (including muzzle device): 9.25?

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5.56 NATO cal., GIO, 8.25 in. barrel, Extar muzzle brake, one 30 shot AR-15 mag., injection molded polymer construction, fixed ghost ring sights, cont...

Extar recalled and replaced the trigger assemblies on affected guns, so kudos to them for quickly stepping forward to handle the difficulty. We have run two separate Extar 556 pistols with both 5.56 and .223 Remington ammo. There is some stiffness in all …

This is the lightest semi-automatic .223 Rem/5.56mm pistol in the world. It comes from the manufacture in both standard and California-compliant models. Please make sure these are legal in your state and/or city prior to ordering. These can be ordered in either Standard Configuration or California-Compliant Configuration.

2015年9月7日 · Tipping the scales at 48 oz, the EXP-556 is probably the lightest AR-15 style pistol in the world that is chambered for 5.56 NATO. While that caliber in a package that weighs the same as 3 loaded...

The Extar EXP 556 is the lightest 5.56 production pistol made. The compact design features include no buffer tube protruding from the rear of the pistol. The innovative muzzle brake enables the shooter to fire multiple shots with no muzzle climb.