The MK2 MOD 1-M revamped for 2018 features the PWS long stroke piston system originally designed for the AR-15 platform. What makes a short gun run makes a long gun accurate- that being said the MK2 is among the most reliable and accurate in its category. The MK2 line features a free float MLOK handguard with fully forged upper and lower receivers. Lightening cuts and an eliminated forward assist make the MK2 MOD 1-M line a lightweight yet solid feeling firearm. Accuracy smooth operation and reliability make the MK2 MOD 1-M line a necessity for those looking to expand their long-stroke piston system firearm collections. - The longest barrel available through PWS the MK220 MOD 1-M offers shooters a long range gun with the convenience of a semi-auto platform. Coming standard with a PRC 30 compensator on the end the MK220 MOD 1-M is the ideal firearm for quick follow up shots at long distances. - MK220 MOD 1-M Specs: - Caliber: .308 Match - Weight: 9 lb. 3 oz. - Length: 38.75-42.25 - Piston System: Mid-length - Velocity: 2580 ft/sec - MK220 MOD 1-M Features: - PWS long stroke piston operating system - 3-setting adjustable gas system - Forged upper and lower receivers - Eliminated forward assist - PRC30 Compensator - MLOK free float handguard - 1:10 barrel twist rate - Radian Raptor Charging Handle - MK220 MOD 1-M Includes: - Rifle service tool for gas adjustment - PWS sticker - PWS bottle opener - PWS hat - PWS manual - MagPul 20 round magazine