SIG Sauer M400 PRO .223 Remington 5.56 NATO FDE/Tan Rifle
Caliber: .223 Remington, 5.56 NATO · Capacity: 30+1
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Specifications
Action Semi-Automatic
Ambidextrous Safety Yes
Barrel Length 16 inches
Caliber / Gauge .223 Remington, 5.56 NATO
Capacity 30+1
Finish FDE/Tan
Grip Safety No
Magazines Included 1
Manual Safety Yes
Optic Ready Yes
Overall Length 32.5 inches
Sights Standard Sights
Threaded Barrel Yes
Weight 6.9 pounds
Description
Product Overview
The SIG Sauer M400 PRO is a competition-ready semi-automatic rifle built on a durable AR-15 platform. Its 16-inch nitride-treated barrel uses a 1:7 twist and pairs with the SIG Micro-Light Gas Block and SIG Enhanced Trigger to support consistent accuracy. A free-floating M-LOK handguard provides flexible accessory mounting while preserving barrel clearance. The rifle also includes ambidextrous controls, flip-up sights, a quality synthetic pistol grip, and a six-position telescoping stock with integral quick-detach sling points.
Key Features
- 5.56 NATO chamber also accommodates .223 Remington ammunition
- 16-inch nitride-treated barrel with a 1:7 twist for versatile projectile stabilization
- Free-floating M-LOK handguard supports accessories without adding unnecessary bulk
- SIG Enhanced Trigger provides a clean, consistent trigger interface
- Ambidextrous controls and manual safety support left- and right-handed operation
- Six-position telescoping synthetic stock adjusts length of pull and includes integral QD points
The SIG Sauer M400 PRO delivers a durable, adaptable rifle configuration with premium components ready for the range or competition.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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QP Credentials Required
This item is only available to Military, Law Enforcement, and other Qualified Professionals. You'll need to upload valid credentials before purchasing.
Upload your credentials here.- SKU:
- WRM40016BPROFDELE
- UPC:
- 798681583966
- BUDS ID:
- 722037165
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505
Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876
Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345
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| Action | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic |
| Barrel Length (in.) | 16.0 | 16.1 | 18.0 | 16.0 | 16.0 |
| Caliber / Gauge | .223 Remington, 5.56 NATO | 5.56 NATO, .223 Remington | 5.56 NATO, .223 Remington | 5.56 NATO, .223 Remington | 5.56 NATO, .223 Remington |
| Capacity | 30 | 30 | 30 | 30 | 32 |
| Finish | FDE/Tan | Black | Blue/Black | Gray | Brown Cerakote |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 32.5 | 32.01 | 34.25 | 34.5 | 32.25 |
| Threaded Barrel | Yes | Yes | Yes | Yes | Yes |
| Weight (lbs) | 6.9 | 6.5 | 7.4 | 7.3 | 6.2 |
| Ambidextrous Safety | Yes | No | Yes | Yes | Yes |
| Sights | Standard Sights | Standard Sights | N/A | N/A | Standard Sights |
| Actions | Current Item |
