SIG Sauer M400 AR-15 .223 Remington 5.56 NATO Black Rifle
Caliber: .223 Remington, 5.56 NATO · Capacity: 30
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Specifications
Action Semi-Automatic
Finish Black
Sights Standard Sights
Weight 6.5 pounds
Capacity 30
Grip Safety No
Optic Ready Yes
Barrel Length 16 inches
Manual Safety Yes
Overall Length 39.5 inches
Trigger Safety No
Caliber / Gauge .223 Remington, 5.56 NATO
Threaded Barrel Yes
Magazines Included 1
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 is a dependable AR-15-pattern rifle chambered for both .223 Remington and 5.56 NATO. Its 16-inch chrome-lined, phosphate-coated barrel is built for service life and corrosion resistance, while the 1:7-inch right-hand twist stabilizes a broad range of commonly used projectile weights. A forged 7075-T6 aluminum lower receiver supports a durable direct-impingement operating system. The rifle includes a six-position collapsible stock, black polymer furniture, standard sights, and an A2 flash suppressor mounted on a threaded muzzle.
Key Features
- 16-inch chrome-lined and phosphate-coated barrel for durability and corrosion resistance
- Chambered for .223 Remington and 5.56 NATO
- Direct-impingement semi-automatic operation
- Forged 7075-T6 aluminum lower receiver for strength and dependable service
- 1:7-inch right-hand rifling twist
- Six-position collapsible synthetic stock for length-of-pull adjustment and transport convenience
The SIG Sauer M400 combines familiar AR-15 controls with durable construction for sporting, training, and range use.
4.8 | 16 Reviews
Free and Fast Shipping to the Lower 48 States.
- SKU:
- RM40016BC
- UPC:
- 798681432660
- BUDS ID:
- 77441
Compatible Ammo
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Customer Reviews
4.8 out of 5
16 total reviews
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Latest Reviews
Michael S.
12 years ago
Verified Purchaser
Great gun. I was...
Great gun. I was busting water bottles at a 100 yards after three shots. I added a quad rail and a pistol grip before taking it out. Great setup. Simple, efficient, and accurate. It took a while to get it due to some processing delays but all in all I'm satisfied.
Seth C.
13 years ago
Verified Purchaser
Extremely accurate and...
Extremely accurate and all you would expect from a Sig Sauer!
Christopher W.
13 years ago
Verified Purchaser
This was my third...
This was my third purchase from buds and by far my favorite. The weapon performs flawlessly every time I squeeze the trigger. Sig deserves some major respect for building a weapon that performs as well as my buddys bcm. I have added a six power scope, a larger latch on the charging handle and a muculek compensator. Thanks bud!
Guaranteed Lowest Prices
All purchases are backed by our Bud's Price Protection: Protect every purchase up to $100, free of charge!
Questions & Answers
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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 | 11.5 |
| Caliber / Gauge | 5.56 NATO, .223 Remington | .223 Remington, 5.56 NATO | .223 Remington, 5.56 NATO | .223 Remington, 5.56 NATO | 5.56 NATO |
| Capacity | 30 | 30 | 10 | 30 | 30 |
| Finish | Black | Matte Black | Blue/Black | Battleworn Lipstick Red Cerakote | Black |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 39.5 | 32.5 | 32.25 | 33.25 | 28.0 |
| Threaded Barrel | Yes | Yes | Yes | Yes | Yes |
| Weight (lbs) | 6.5 | 6.3 | 6.2 | 6.8 | 6.25 |
| Sights | Standard Sights | Standard Sights | Standard Sights | N/A | N/A |
| Ambidextrous Safety | No | No | No | No | Yes |
| Actions | Current Item |
