- Full Ambi Lower Receiver
- ACR Style Stock
- Hydraulic Buff er System
- Elftman Tactical Trigger
- Magpul MOE Grip
- A2 NATO Flash Hide
The APC556 platform utilizes a hydraulic buffer system to significantly reduce felt recoil and muzzle rise, while providing increased terminal performance, intermediate barrier penetration and sheer energy on target, in a size optimized for discrete deployment. No Optic Included