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Sig Sauer M400 Tread V2 TacPac 5.56NATO 16″ 30+1
$960.00
This Sig Sauer M400 features a 16″ barrel and 30+1 round capacity.
The TacPac includes a Sig Romeo5 red dot sight, bags, and extra magazines.
Perfect for home defense, competition, and range training.
- ✓ 30+1 round capacity – includes two 30-round magazines
- ✓ 16″ barrel – accurate and versatile
- ✓ Sig Romeo5 red dot included – ready to shoot
- ✓ M-LOK handguard – easy accessory mounting
- ✓ TacPac package – rifle bag and accessories included
- ✓ Sig quality – American engineering
Free shipping on all firearms | Must ship to valid FFL | 🔒 Secure checkout
Description
Sig Sauer M400 Tread V2 TacPac 5.56NATO 16″ Barrel 30+1 – Sig Sauer M400
Product Overview
The Sig Sauer M400 Tread V2 TacPac is a complete AR-15 rifle package chambered in 5.56NATO.
This rifle features a 16-inch barrel and a 30+1 round capacity.
The Sig Sauer M400 is built on Sig’s proven Tread platform, known for reliability and accuracy.
The TacPac includes a Sig Romeo5 red dot sight, two 30-round magazines, and a rifle bag.
This Sig Sauer M400 is ready to shoot right out of the box with everything you need.
The M-LOK handguard, upgraded trigger, and Magpul furniture make it a premium choice for shooters.
Whether you need a home defense rifle or a competition gun, the Sig Sauer M400 delivers.
Key Features
- ✓ 30+1 Round Capacity – Includes two 30-round magazines
- ✓ 16″ Chrome-Lined Barrel – Durable, accurate, 1:7 twist
- ✓ Sig Romeo5 Red Dot Included – 2 MOA dot, 40,000-hour battery life
- ✓ M-LOK Free-Float Handguard – Lightweight with multiple mounting points
- ✓ Mid-Length Gas System – Smoother recoil impulse
- ✓ Magpul MOE SL Stock & Grip – Ergonomic and durable
- ✓ TacPac Package – Rifle bag, magazines, and optic included
- ✓ American-Made – Built in Newington, New Hampshire
Technical Specifications
Why Choose the Sig Sauer M400 Tread V2 TacPac
The Sig Sauer M400 TacPac is the ultimate value package for shooters who want everything in one box.
You get a premium AR-15 rifle, a quality red dot optic, extra magazines, and a rifle bag.
The Sig Romeo5 red dot is a proven optic with 40,000-hour battery life and motion-activated illumination.
The mid-length gas system provides a smoother recoil impulse than carbine-length systems.
The M-LOK free-float handguard allows easy accessory mounting without tools.
The Magpul MOE SL stock and grip are comfortable and durable for extended shooting.
This Sig Sauer M400 is made in America with Sig Sauer’s reputation for quality.
For anyone looking for a complete rifle package that is ready to shoot, the Sig Sauer M400 TacPac is the perfect choice.
Performance and Design
The Sig Sauer M400 uses a direct impingement gas system with a mid-length gas tube.
This setup reduces felt recoil and carrier bounce compared to carbine-length systems.
The 16-inch chrome-lined barrel is cold hammer-forged for accuracy and longevity.
The 1:7 twist rate stabilizes both light 55gr and heavy 77gr bullets effectively.
The Sig Romeo5 red dot features a 2 MOA dot and MOTAC motion-activated illumination.
The optic is waterproof and shockproof, built to withstand field use.
The M-LOK handguard is free-floating and features multiple attachment points for accessories.
The Magpul MOE SL stock is collapsible with multiple positions for length of pull.
The rifle also includes a forward assist, dust cover, and last-round bolt hold-open.
The TacPac includes a padded rifle bag for storage and transport.
Compatible Accessories and Related Products
Enhance your rifle with these accessories: extra 30-round magazines, weapon light (Streamlight Protac), sling with QD attachments, bipod, and 5.56 snap caps for dry fire practice.
Recommended ammunition: Federal Premium 55gr FMJ (training), Hornady 55gr V-Max (varmint), Speer Gold Dot 62gr (defense), IMI 77gr Razor Core (precision).
Frequently Asked Questions
1. What is included in the TacPac package?
The Sig Sauer M400 TacPac includes the rifle, Sig Romeo5 red dot, two 30-round magazines, and a padded rifle bag.
2. What makes the Tread V2 different from the original Tread?
The Tread V2 features an upgraded M-LOK handguard, improved trigger, and enhanced ergonomics over the original.
3. Is the Sig Romeo5 a good red dot sight?
Yes, the Sig Romeo5 is one of the most popular red dots on the market with excellent battery life and durability.
4. Can I shoot .223 Remington in the Sig Sauer M400?
Yes, the Sig Sauer M400 is chambered in 5.56NATO and can safely fire both 5.56 and .223 ammunition.
5. What is the effective range of the 16″ barrel?
The 16″ barrel on the Sig Sauer M400 is effective for defensive use out to 400-500 yards.
6. Does the Sig Sauer M400 have a chrome-lined barrel?
Yes, the Sig Sauer M400 features a chrome-lined barrel for durability and corrosion resistance.
7. Where is the Sig Sauer M400 manufactured?
The Sig Sauer M400 is manufactured in Newington, New Hampshire, USA.
8. What type of handguard does the M400 Tread V2 use?
The Sig Sauer M400 Tread V2 features a 15-inch M-LOK free-float handguard.
9. Does the Sig Sauer M400 have an adjustable gas block?
The Sig Sauer M400 has a non-adjustable gas block optimized for reliable operation with standard ammunition.
10. Is the Sig Sauer M400 TacPac worth the price?
Absolutely. You get a premium rifle, quality red dot, magazines, and bag for less than buying separately.
Authority References
Ready to Own the Sig Sauer M400 Tread V2 TacPac?
The Sig Sauer M400 TacPac gives you everything you need in one complete package.
Order your Sig Sauer M400 today and experience premium Sig quality.
Free shipping on all firearms within the continental U.S.
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🔒 Must ship to a valid FFL dealer. Please verify local laws before purchasing.
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