SIG Sauer M400 B5 5.56 NATO Green Rifle
Caliber: 5.56 NATO · Capacity: 30
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Specifications
Action Semi-Automatic
Finish Green
Sights Standard Sights
Weight 6.7 pounds
Capacity 30
Grip Safety No
Optic Ready Yes
Barrel Length 16 inches
Manual Safety Yes
Overall Length 32.3 inches
Trigger Safety Yes
Caliber / Gauge 5.56 NATO
Threaded Barrel Yes
Ambidextrous Safety No
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
Description
Product Overview
The SIG Sauer M400 B5 is a 5.56 NATO semi-automatic rifle configured for versatile carbine use. It combines a 16-inch nitride-treated barrel with a durable 7075-T6 aluminum receiver set, a B5 Systems SOPMOD six-position telescoping stock, B5 pistol grip, and KEYMOD carbine handguard. The flat-top upper receiver includes an M1913 Picatinny rail for mounting an optic, while the supplied SIG Sauer flip-up sights provide a practical standard aiming system. With a 30-round capacity and adjustable overall length from 32.3 to 35.6 inches, the M400 B5 offers adaptable handling for training, recreational shooting, and general-purpose rifle applications.
Key Features
- 5.56 NATO chambering supports widely available intermediate rifle ammunition
- 16-inch 1:7-twist barrel stabilizes a broad range of bullet weights
- B5 Systems SOPMOD six-position stock allows length-of-pull adjustment
- KEYMOD carbine handguard provides a lightweight modular accessory interface
- Flat-top M1913 Picatinny upper receiver is ready for optic installation
- SIG Sauer flip-up sights provide a dependable standard sighting setup
The SIG Sauer M400 B5 combines adjustable ergonomics, modular mounting capability, and proven 5.56 NATO performance in a practical carbine package.
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- SKU:
- RM40016BB5FOL
- UPC:
- ODF##716007734
- BUDS ID:
- 716007734
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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 | 16.0 | 16.0 | 16.0 | 16.0 |
| Caliber / Gauge | 5.56 NATO | .223 Remington, 5.56 NATO | 5.56 NATO | .223 Remington, 5.56 NATO | 5.56 NATO |
| Capacity | 30 | 10 | 30 | 10 | 10 |
| Finish | Green | Gray Anodized | Phosphate | Anodized Black | Black |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 32.3 | 32.5 | 32.0 | 32.5 | 33.25 |
| Sights | Standard Sights | Standard Sights | Standard Sights | Standard Sights | Standard Sights |
| Threaded Barrel | Yes | Yes | Yes | Yes | Yes |
| Weight (lbs) | 6.7 | 6.0 | 6.8 | 6.0 | 6.12 |
| Optic Ready | Yes | Yes | N/A | Yes | Yes |
| Ambidextrous Safety | No | Yes | No | Yes | Yes |
| Trigger Safety | Yes | No | No | No | No |
| Actions | Current Item |
