SIG Sauer M400 Enhanced Carbine Patrol 5.56 NATO .223 Remington Flat Dark Earth Rifle w/ SIG Sauer ROMEO5 Red Dot Sight
Caliber: 5.56 NATO, .223 Remington · Capacity: 30+1
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Specifications
Action Semi-Automatic
Finish Flat Dark Earth
Sights Red Dot Sights
Weight 6.7 pounds
Capacity 30+1
Grip Safety No
Optic Ready Yes
Barrel Length 16 inches
Manual Safety Yes
Overall Length 35.6 inches
Trigger Safety No
Caliber / Gauge 5.56 NATO, .223 Remington
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 Enhanced Carbine Patrol is a dependable AR-pattern rifle built for law enforcement, sporting use, training, and competitive shooting. Its direct-impingement operating system and forged 7075-T6 aluminum lower receiver provide a proven foundation, while the 16-inch nitride-treated barrel delivers corrosion resistance and consistent performance. Flat Dark Earth Magpul furniture includes the MOE forend, grip, and stock. A factory-installed SIG Sauer ROMEO5 red dot sight provides rapid target acquisition, and the adjustable stock allows the rifle to measure 32.5 inches when collapsed or 35.6 inches overall when extended.
Key Features
- Chambered for 5.56 NATO and compatible with .223 Remington ammunition
- 16-inch nitride-treated barrel with a 1:7 rifling twist
- Direct-impingement semi-automatic AR-pattern action
- Forged 7075-T6 aluminum lower receiver for durable service use
- Factory-installed SIG Sauer ROMEO5 red dot sight for fast target acquisition
- Flat Dark Earth Magpul MOE forend, grip, and adjustable stock included
The SIG Sauer M400 Enhanced Carbine Patrol combines a proven AR-pattern design, durable construction, and a factory-installed red dot sight in a ready-to-use rifle configuration.
Free Lifetime Warranty This Week — select it at checkout, no discount code needed. Learn more
4.8 | 5 Reviews
Free and Fast Shipping to the Lower 48 States.
- SKU:
- RM40016BECPR5FDENBS
- UPC:
- 798681574261
- BUDS ID:
- 411558442
Compatible Ammo
Customer Reviews
4.8 out of 5
5 total reviews
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Latest Reviews
Roxanne G.
4 years ago
Verified Purchaser
This is a great...
This is a great starter AR platform. I love that it came with an optic, which made sighting in a breeze. I've put over 1200 rounds through it and have yet to have any failures. Buds shipping was quick and the purchasing process was easy. This definitely won't be my last SIG or my last purchase from Buds.
Brad S.
7 years ago
Verified Purchaser
This one of the best...
This one of the best ARs I own. Fit and finish are what you would expect from Sig. This is probably my favorite configuration of an AR. In person, this thing is a beauty. The optic is great. I put some metal Magpul sights on. Metal - so I don't chance melting polymer ones (the front sight sits on the gas block). With the iron sights up - the red dot will sit right on top of the front post. It's lite. It's handy, maneuverable. You pick it up, the sight turns itself on. If you can only take one rifle out of the safe and go out and do some plinking - this is going to be the one you want to take. Buds has been taking good care of me.
Matt K.
7 years ago
Verified Purchaser
I picked up my rifle...
I picked up my rifle from my FFL dealer yesterday 01/03/2019. Everything arrived exactly as advertised! This gun is beautiful, I love the Magpul hardware on it. I cannot wait to get this thing on the range and get it sighted, and throw some lead downrange!!! First time ordering from Buds and this is also my first AR-15. I have not shot anything like this since I got of the Army in 1995, and then it was only iron sights on my M16 A2. I will be ordering from Buds again, no doubt
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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 | 16.1 | 16.0 | 16.0 |
| Caliber / Gauge | .223 Remington, 5.56 NATO | 5.56 NATO | 5.56 NATO | .223 Remington, 5.56 NATO | .223 Remington, 5.56 NATO |
| Capacity | 30 | 30 | 30 | 30 | 30 |
| Finish | Flat Dark Earth | Flat Dark Earth | FDE/Tan | Bronze | Flat Dark Earth |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 35.6 | 32.5 | 32.0 | 34.0 | 37.25 |
| Threaded Barrel | Yes | Yes | Yes | Yes | Yes |
| Sights | Red Dot Sights | Standard Sights | Red Dot Sights | N/A | Standard Sights |
| Weight (lbs) | 6.7 | 6.9 | N/A | 6.95 | 7.15 |
| Ambidextrous Safety | No | No | Yes | No | No |
| Actions | Current Item |
