Extar EXP556 Mk II 5.56 NATO AR Pistol, 8.25 in Barrel, Short-Stroke Piston, Polymer Receiver, Fixed Ghost-Ring Sights
This Extar EXP556 Mk II is a compact, American-made 5.56 NATO AR-pattern pistol built around a bufferless recoil system and a short-stroke gas piston. Its polymer receiver, 8.25 inch barrel with a compact two-port muzzle brake, and a charging handle make it a distinctive, lightweight package. Fixed polymer ghost-ring sights and a continuous top Picatinny rail provide straightforward aiming and mounting options. Manufactured in Lake Havasu City, Arizona.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Details: Minor scratches and small blemishes are present on exterior surfaces.
What’s Included
- Extar EXP556 Mk II factory box with matching serial number
- Manual
- One 30-round Hexmag HX-AR Series 2 polymer magazine
The EXP556 Mk II uses a short-stroke gas piston and a bufferless recoil system housed entirely in the upper, removing the need for an external buffer tube. The 8.25 inch barrel is capped with a compact two-port muzzle brake, and a low-profile gas block keeps the system streamlined.
Construction centers on a lightweight polymer receiver and a polymer cylindrical handguard with waffle texturing for a secure grasp. Controls include a charging handle and a manual safety. The pistol is equipped with a B5 Systems pistol grip.
Fixed polymer sights include a front blade and a rear ghost-ring aperture. A continuous top Picatinny rail runs across the receiver and forend, and the receiver features a rear 1913 Picatinny rail/end cap for additional mounting options.
Chambered in 5.56mm NATO with a 30+1 capacity, this model accepts AR-15/STANAG pattern magazines. It is manufactured in the USA, in Lake Havasu City, Arizona.