Skip to main content
SIG RM400SDI16BR5FX   M400 SDI 556 16 BLK TELE

SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE

SKU: 179055

Description

The M400 Sentry offers a ready-to-go solution, combining the M400-SDI X platform with the multi-purpose functionality of the ROMEO5 GENII red dot and the Foxtrot-MSR Full Size Light. The M400-Sentry is furnished with a vertical foregrip on the free-floating handguard, enabling greater control of the rifle regardless the shooting position. The ROMEO5 GENII red dot with its 1x aiming solution and crisp 2 MOA dot, provides over 40,000 hours of estimated runtime compliments of SIG SAUER’s motion-activated MOTAC design. The ROMEO5 GENII is IPX7 waterproof rated, and its fully-multicoated lenses ensure visibility in all environments. Top mount illumination controls provide ease of use by both left and right-handed shooters. The Foxtrot-MSR full size light with its 1,250 Lumens and 33,000 Candela, clearly illuminates targets while maintaining ease of use and accessibility. Includes three M-LOK rail covers and a 30rd polymer magazine.
SIG RM400SDI16BR5FX   M400 SDI 556 16 BLK TELE

Specifications

FAQ

How old do I have to be to purchase a firearm?

In California, you must be at least 21 years old to purchase a firearm. However, certain exemptions may apply, such as for active-duty law enforcement officers or military personnel.

Do I need a permit to purchase a firearm?

No, California does not require a permit to purchase a rifle, shotgun, or handgun. However, you must meet other requirements, including:

  • Being at least 21 years old, with some exceptions
  • Passing a written safety test and obtaining a “firearm safety certificate”
  • Completing a background check
  • Waiting 10 days after submitting your application
  • Purchasing a state-approved gun safe or lock
Do you offer layaway plans?
Yes, we offer layaway plans to make it easier for you to secure your purchase. Contact us for details on terms and conditions.
Do you ship firearms?
Yes, we ship firearms to the contiguous 48 states. However, all shipments must comply with federal, state, and local laws. Please ensure you are aware of and adhere to the regulations in your area before placing an order.
What type of ammunition should I use?
The type of ammunition you should use depends on your firearm. Always refer to your firearm’s manufacturer recommendations to ensure safe and proper use. If you have questions, feel free to contact us for assistance.
Buy SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE

Out of stock

Out of stock