Steel Core Designs USA

Steel Core Designs USA offers 3 new and exciting tactical rifle designs; offering unrivaled accuracy, comfort, ease of operation and above all safety. The Thunderbolt rifle offers some unique features as well as using a proven 4-lug bolt locking system, with a unique and innovative firing pin system. Computer 3D modeling, CNC machining techniques and materials make this our strongest, safest and most reliable action ever.