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Customer Questions & Answers for
Sig Sauer Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag

The Sig Sauer M400 Enhanced Rifle, is designed for use in law enforcement, military operations, the sporting field, as well as competitive shooting. The SIG M400 is a true AR platform tactical rifle with unparalleled accuracy. A 16-inch chrome-lined phosphate-coated barrel provides superior corrosion resistance and a 7075-T6 aircraft-grade aluminum-forged lower receiver adds to the durability and reliability that users come to expect from Sig Sauer. This OD version features a black upper and lower receiver, OD green polymer Magpul MOE forend, grip and collapsible stock. Ships with an embroidered Sig Sauer rifle bag.
Customer Questions & Answers:
37 Questions
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107 Answers
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Product Details

Questions & Answers for Sig Sauer Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag

Question

what twist is the barrel

asked 2 years ago
By
Butch
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
6 answers
Answers
answer 1
1x7 - go to the sig sauer website
answered 1 year, 11 months ago
By
TraerIowa
answer 2
1 in 7"
answered 2 years ago
By
caboose67
answer 3
1 in 7, most 55gr ammo should be fine, buts its actually bearing surface of the bullet, not weight that determines if it will stabilize with the twist.
answered 2 years ago
By
IEDmagnet
answer 4
its a 1:7 twist
answered 2 years ago
By
mepatch
answer 5
1 in 7" right hand twist
answered 2 years ago
By
an anonymous customer
answer 6
1 in 7 in
answered 2 years ago
By
Rishmoca
Question

What is the barrell rate of twist?

asked 1 year, 11 months ago
By
dave
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
6 answers
Answers
answer 1
1 in 7.
answered 1 year, 10 months ago
By
wrench1
answer 2
This weapon has a 1 in 7 twist. Very accurate.
answered 1 year, 11 months ago
By
BadNuts
answer 3
It would have a 1 in 9 inch twist if it is designed for the 5.56 nato round.
answered 1 year, 11 months ago
By
sonny49
answer 4
go to sig sauer website for TONS of info. but 1x7 twist
answered 1 year, 11 months ago
By
TraerIowa
answer 5
the ratio is 1:7 meanin the round completes 7 full rotations before exiting the barrel
answered 1 year, 11 months ago
By
Marines75
answer 6
1 in 7 twist 6 groove
answered 1 year, 11 months ago
By
warblade
Question

Is the rifle chambered for 5.56 and .223?

asked 2 years, 1 month ago
By
Elvis
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
6 answers
Answers
answer 1
It will fire both.
answered 2 years ago
By
caboose67
answer 2
5.56
answered 2 years ago
By
mepatch
answer 3
5.56 NATO, but it's my understanding that a 5.566 rifle will fire .233. A .233 rile will NOT fire a 5.56 round.
answered 2 years ago
By
Rishmoca
answer 4
yes .223 is ALOT cheaper tho
answered 2 years, 1 month ago
By
nolen1979
 - florida
answer 5
Yes it is for both. I shot both yesterday and no problems. American Eagle 223 and Winchecter 5.46
answered 2 years, 1 month ago
By
Papa3749
 - Orlando, FL
answer 6
5.56mm (Nato, x45). It will also take the .223 Rem.
answered 2 years, 1 month ago
By
BUTX
 - Burleson, TX
Question

is this a military spec rifle ?

asked 2 years, 1 month ago
By
steven b
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
5 answers
Answers
answer 1
Yes
answered 1 year, 11 months ago
By
TraerIowa
answer 2
It is designed to mil-spec as a law-enforcement rifle.

Only has the semi-auto function.... darn.
answered 2 years ago
By
caboose67
answer 3
Yes 1/7 twist
answered 2 years ago
By
Stecar
 - Florida
answer 4
Some say yes and others say no. Sig's website says it is beyond milspec. It does have features that are and are not milspec. There should be two "push pins" in the receiver to remove play (this is not milspec).
If you want a milspec rifle you should buy the Colt.
answered 2 years, 1 month ago
By
BUTX
 - Burleson, TX
answer 5
Yes it a military spec but not all accessories will fit the firearm without some mods, military spec is a pretty generic term.
answered 2 years, 1 month ago
By
vlmuke
 - Shelby Twp, MI
Question

How much?

asked 2 years, 1 month ago
By
organ donor
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
5 answers
Answers
answer 1
917 - but went on sale in iowa for 897
answered 1 year, 11 months ago
By
TraerIowa
answer 2
Suggested retail is $1200
Walmart $917
Black Friday special $867
answered 2 years ago
By
caboose67
answer 3
Bought my @ Buds (0n line) $729 shipped. 3% more if you use a credit card plus $8 for insured shipping to FFL
answered 2 years ago
By
Stecar
 - Florida
answer 4
mine with bag and the OD magpul set up was $980 out the door
answered 2 years, 1 month ago
By
nolen1979
 - florida
answer 5
$897 to $917 - Here in the Fort Worth area they are running $917.
answered 2 years, 1 month ago
By
BUTX
 - Burleson, TX
Question

HOW CAN THIS BE A COMPETITIVE SHOOTING GUN WITH IRON SITES?

CAN THE IRON SITES BE TAKEN OFF TO ADD A TOUGH NONELECTRIC 100-300 YARD SCOPE? CAN I LEAVE THE IRON SITES ON TO CO-WITNESS IN CASE OF SCOPE FAILURE? WHAT IS A GOOD 3-9 X 40 SCOPE AND WHAT RISERS AND TOOLS DO I NEED? MAYBE A PRO JOB HUH?
asked 2 years ago
By
U
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
5 answers
Answers
answer 1
This is an easy at home fix. Get a hold of your local hunting Catalog and pick out what you want and the mounts(risers) can be added to give you the extra benefit of the iron sights. Or go to your local gun shop and they can help you pick up everything you need to get set up!!!
answered 1 year, 10 months ago
By
wrench1
answer 2
The front site can be removed rather easy, it's held on with roll pins but must be replaced with a gas block of some sort. Yankee Hill makes high quality parts. But the front site does not effect a regular rifle scope, you can not see the front site in the scope. I have a 3x9x40mm on mine.
answered 1 year, 11 months ago
By
BadNuts
answer 3
If you want to be in competition - buy the Windham - as it is a flat top. You can easily mount a scope on this and the front sight will be noticeable - not NOT by that much. This is not a 600+ meter rifle. Those, are in the $2000+ range.
answered 1 year, 11 months ago
By
TraerIowa
answer 4
There is a top rail for mounting a scope. You can use a riser on the top rail for your scope if the front site interferes. I believe you can remove the front site, but not sure. The rear site folds down to allow for scope installation.
answered 2 years ago
By
caboose67
answer 5
Have you done any research on this weapon? First off, the rear sight is flip down. However, you can probably leave it in the up position with a scope on. Secondly, this is a tactical rifle with the intended use to be for close quarters action. While the rifle is capable of engaging your target at that distance, a 100-300 yard scope is not the proper application. If you're looking for something like that, then shop for a different rifle. This is a 16" weapon, may I suggest a Mini-14 or a Springfield M1? If you still want this weapon then I suggest you look into holographic sites, and if you must have some magnification then look at a magnifier. EOtech, Aimpoint make great products. If you have to ask this much about the weapon, then you must not know much about competitive shooting. Good luck.
answered 2 years ago
By
gskalderon
Question

How modular friendly is this rifle?

How easy is it to add lights, scopes, etc.
asked 2 years ago
By
Joe
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
5 answers
Answers
answer 1
Magpul makes picatinni rails that are attachable to this forearm. Allowing you to mount any type of accessory. Or you can replace the MOE forearm with a quadrail forearm.
answered 1 year, 11 months ago
By
BadNuts
answer 2
Very easy... You can put all the "Eye" Candy you want on these.
answered 1 year, 11 months ago
By
TraerIowa
answer 3
theres a 1913 picitinny rail on top for a scope/reflex/red dot etc; but the forend is molded polymer w/out rails. you might be able to get individual rails that will attach to this particular forend, otherwise you'll have to swap out the forend that comes on the rifle for ones w/ rails on them if you want a foregrip, light, laser etc;. If you want to stick w/ polymer, check out tapco.
answered 2 years ago
By
homebrewed
answer 4
It has a top rail only. However, you can remove the forward hand guards and put in a custom AR rail set, as they have the standard retention ring found on most ARs
answered 2 years ago
By
caboose67
answer 5
Very. Magpul MOE forend is easily adaptable with all kinds of tactical add ons - just do a quick search. The flat top section (picatinney rail) is ready to co-witness your favorite optic such as EoTech or Trijicon. Or with the right rings a decent AR scope.
answered 2 years ago
By
Spike60
Question

Are the magazines interchangeable with the M400?

asked 1 year, 11 months ago
By
Shooting
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
5 answers
Answers
answer 1
All Mil Spec AR15/M4 mags should fit. But I would go with the Magpul mags. They are the best. Go to thier web site and check out the videos. The are also one of the cheapest ones you can find anywhere!!!
answered 1 year, 10 months ago
By
wrench1
answer 2
The M400 uses standard AR/M4 magazines. They are not rifle specific.
answered 1 year, 11 months ago
By
BadNuts
answer 3
Yes. Buy a good magazine, and it will fit in all M4's are Ar15's
answered 1 year, 11 months ago
By
TraerIowa
answer 4
Yes, the .223/.556 magazines are interchangeable between all AR15 platforms as long as your gun shoots both of these types of ammo. If not, the magazines are interchangeable still, but make sure if you have a gun that only shoots .223 you do not put a .556 round in it.
answered 1 year, 11 months ago
By
nater222
answer 5
yes
answered 1 year, 11 months ago
By
tacdriver
Question

Is it possible to add an after market scope or remove the front sight on this rifle?

asked 1 year, 11 months ago
By
Gunfun
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
5 answers
Answers
answer 1
Some scopes can be used with sights too. It all depends on your mounts and thats the way I'd go.
answered 1 year, 10 months ago
By
wrench1
answer 2
The rear site is removable. There are all sorts of scopes and mounts that will fit the receiver on this rifle. The front site is held on by roll pins and it is removable and can be replaced with a low profile gas block. Look up Brownell's video on youtube on how to do that, pretty simple.
answered 1 year, 11 months ago
By
BadNuts
answer 3
For what you are looking for, try this one, also at some Wal Marts. (The sight that comes with it is fine for what I want, but you could put most any scope on it.)

http://www.walmart.com/ip/Sig-Sauer-M400-with-Prismatic-Scope/21677320
answered 1 year, 11 months ago
By
Jerimiah
answer 4
you can add a scope the the rail system on top. however its not reccommended to remove the front sight post. its on there pretty good, plus in an emergency you wanna b able to have a back up sight in case your scope craps out. it wil not get in the way of cross hairs, it actually helps straighten ur shot a little bit
answered 1 year, 11 months ago
By
Marines75
answer 5
yes you can mount a scope or other optics on this rifle... NO you can not remove the front sight unless you are good at gunsmithing.
answered 1 year, 11 months ago
By
warblade
Question

How much does the gun weigh unloaded. Says shipping weight 15 lbs. Hope it doesn't weigh that much

asked 2 years, 1 month ago
By
chris
on Sig Sauer M400 Enhanced Carbine ODG with Rifle Bag
5 answers
Answers
answer 1
6.7 lbs without mag
answered 2 years ago
By
caboose67
answer 2
That's because it comes in a durable packing case, along with the two-gun bag, which adds to the weight.

it weights 6.7# without mag.
answered 2 years ago
By
caboose67
answer 3
Weight w/o Mag 6.7 lbs
answered 2 years ago
By
Rishmoca
answer 4
According to Sig's website 6.7 lbs without the magazine.
answered 2 years, 1 month ago
By
BUTX
 - Burleson, TX
answer 5
6.5lbs
answered 2 years, 1 month ago
By
Papa3749
 - Orlando, FL
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