Sig Sauer M400 SDI Sentry, Semi-automatic Rifle, 223 Remington/5.56 NATO, 16″ Threaded Barrel, Black

Product Description

The Sig Sauer M400 SDI Sentry 223 rifle is a versatile AR-platform semi-automatic firearm built for accuracy and dependability. This model features a 16″ threaded barrel chambered in .223 Remington/5.56 NATO. The 30-round magazine capacity makes it ideal for range sessions and target practice.

Additionally, this M400 SDI Sentry arrives ready to shoot. It comes with a ROMEO 5 red dot sight pre-installed for immediate accuracy. Furthermore, the included Foxtrot MSR light ensures you’re equipped for various shooting conditions.

Design & Build Quality

The M400 features Sig Sauer’s proven AR-platform design with an anodized black finish. Its 16″ barrel strikes the perfect balance between maneuverability and velocity. Moreover, the threaded barrel allows for easy suppressor or muzzle device installation.

This rifle delivers consistent performance whether you’re competing in matches or enjoying recreational shooting. The M400 SDI Sentry handles both .223 Remington and 5.56 NATO ammunition seamlessly.

Perfect for Sporting & Recreational Use

The Sig Sauer M400 SDI Sentry excels as a versatile sporting rifle. Whether you’re improving accuracy at the range or enjoying casual target shooting, this rifle performs reliably. Additionally, the included optics and light eliminate the need for costly upgrades right out of the box.

The 30-round capacity and quick-handling 16″ barrel make extended range sessions productive and fun. This is a complete package for shooters of all experience levels.

Available at Western Sport – Roanoke, TX

Western Sport is a licensed FFL/SOT dealer serving the North Texas and DFW area since 2007. We stock quality firearms like the Sig Sauer M400 SDI Sentry and handle all transfer paperwork in-house. Contact us at 817-393-4000 to check availability or place your order today.

Why Buy from Western Sport?

• Licensed FFL/SOT dealer with expertise in firearms sales and transfers since 2007.
• Local North Texas service with direct access to knowledgeable staff.
• Competitive pricing on premium brands like Sig Sauer.
• Fast and professional background check transfers in Roanoke, TX.
• Expert after-sale support and customer service you can trust.

Frequently Asked Questions

Q: What ammunition does the Sig Sauer M400 SDI Sentry 223 accept?

A: The M400 SDI Sentry is chambered in .223 Remington and 5.56 NATO, so it accepts both ammunition types. This versatility gives you more options at the range or for competitive shooting events.

Q: Does the M400 SDI Sentry come with any optics or accessories?

A: Yes, this model includes a ROMEO 5 red dot sight and Foxtrot MSR light pre-installed. You get a complete setup ready for immediate use without additional purchases.

Q: What is the Texas FFL transfer process at Western Sport?

A: As a licensed FFL dealer in Roanoke, TX, we handle all federal background checks and paperwork in-house. Call 817-393-4000 to discuss your transfer timeline and any questions about Texas requirements.

Q: Is the M400 SDI Sentry good for recreational shooting and sport use?

A: Absolutely. The 16″ barrel, 30-round capacity, and included red dot make it excellent for range sessions and recreational target shooting. Its AR-platform design also makes it a popular choice for sporting competitions.

Additional information