Centurion Arms Promo Codes & Coupons September 2026 — Up to 50% Off

Centurion Arms is committed to providing you with the best combat weapon components. They understand the extreme demands placed on combat weapon systems, which are pushed to the limit in the harshest environments. Centurion Arms is committed to providing the required quality, reliability and accuracy for components to ensure their performance in the operator ’s most critical situations and ensure the success of the mission. C4 M-LOK Rail (12in), MLOK C4 rail system is based on the patented four-rail version. This is a lightweight, sturdy, 2-piece free-floating track that provides a continuous 12 o'clock track and MLOK slots at 3, 6, 9 o'clock positions when installed. The C4 system is the lightest and hardest rail on all AR15, M4 and M16 weapon systems fixed to a standard barrel nut.