The M17 A2 runs on a fully mechanical and internally regulated blow forward system called the HeatCore. The HeatCore has made its name with its extreme ease of maintenance, reliability, and consistency. While the HEAT Core is best known for it’s mechanical Full Auto function, its superb +/- fps consistency over the chronograph has won over many long range shooters where stable velocities are a must for accurate shooting. Full-auto function is mechanically blocked by the screw.When you take out the screw, full-auto function works properly.
The M17 A2 features MILSIGs new breech system which has been lengthened and widened to create an extremely stable feed path for today’s shaped projectiles. The M17 A2 accepts all current Square Head magazines from MILSIG plus the dozens of accessories available for previous models.
The M17 A2 makes use of its predecessors updates and brings more features to the M17 platform:

Features:

• New Enlarged Breech for better FSR feeding
• New Main Bolt updated  
• New MagWell with extra cross bolt to prevent rocking
• Integrated Top Rail
• Steel reinforced grip frame
• Steel reinforced latching post for BRH
• Safe updated with Sear Pawl and Selector Switch Cam to block Sear
• Tighter bore barrel
• Ambidextrous safety
• BRH Plug
• Polymer formula updated

Specifications:

• Length: 694mm (including 13ci tank in stock)/397mm without stock
• Weight: 2,25 Kg
• Polymer composite / steel intermoulded construction
• 2 pin maintenance take down
• Mechanical Full Auto
• Interchangable AR-15 style grip
• Fire selector switch / safety
• Ambidextrous magazine release

Package includes:

• M17 A2 Marker
• Barrel Plug
• 1x 20 round magazine
• MATS 13ci compatible buttstock
• Polymer flip-up sights
• Polymer CQC shroud
• 190mm A5 threaded smooth bore barrel

What is NOT included:

• Hopper Feed Neck
• Dummy Mag
• AR-15 style bolt reset handle