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Sig Sauer M400 with Prismatic Scope

Customer Questions & Answers for
Sig Sauer M400 with Prismatic Scope

This Sig Sauer M400 removes the front sight tower and replaces it with an M1913 railed-front gas block. The M400 provides unparalleled accuracy with a 16-inch chrome-lined phosphate-coated barrel that provides maximum durability and corrosion resistance. A 7075-T6 aircraft-grade aluminum-forged lower receiver adds to the durability and reliability. Optic included is the Sig Sauer CP2 fixed power optic with mounting base.
Customer Questions & Answers:
92 Questions
 | 
182 Answers
Overall Rating:
4.903 out of 5
4.9
out of
5
Product Details

Questions & Answers for Sig Sauer Sig Sauer M400 with Prismatic Scope

Question

Is this a millitary spec gun can I switch out the parts with other ar 15 ?

asked 2 years, 3 months ago
By
Js64683
on Sig Sauer M400 with Prismatic Scope
3 answers
Answers
answer 1
YES
answered 2 years, 1 month ago
By
VICEGRIPS
answer 2
yes
answered 2 years, 2 months ago
By
jon71321
answer 3
Your best bet is checking sigsauer.com and review the spec sheet. There are some differences in 'commercial and mil spec AR15 variants. lots of interchangeable parts available but you may need to do some measuring to be sure.
answered 2 years, 3 months ago
By
Mcblackjack21
 - wyoming
Question

what caliber ammo does it use?

asked 2 years, 1 month ago
By
swamplizard
on Sig Sauer M400 with Prismatic Scope
8 answers
Answers
answer 1
.223 or 5.56 I recommend 5.56 NATO rounds but strictly shooters preferrence.
answered 2 years ago
By
Buck53545
answer 2
223 Rem or "AKA"Nato 5.56
answered 2 years ago
By
mlimberg
answer 3
5.56 preferably, but 223 is fine.
answered 2 years, 1 month ago
By
Countyboy08
answer 4
.223 Remington
answered 2 years, 1 month ago
By
Bigboarder
answer 5
Does anyone go to the Mauf Website for further info? 223/556.
answered 2 years, 1 month ago
By
TraerIowa
answer 6
.223 or 5.56 nato
answered 2 years, 1 month ago
By
firemancooper
answer 7
223 and 5.56
answered 2 years, 1 month ago
By
VICEGRIPS
answer 8
5.56 or .223
answered 2 years, 1 month ago
By
sigsav
Question

Is the barrel a 9 to 1 inch twist ??? Thank You Very Much !!!

asked 2 years, 2 months ago
By
Tonytgman
on Sig Sauer M400 with Prismatic Scope
6 answers
Answers
answer 1
Barrel is a 1 in 7 twist so it will stabilize bullets between 45 and 77 grains.
answered 2 years, 2 months ago
By
kenbertmo
answer 2
1:7 twist barrel
answered 2 years, 2 months ago
By
kenbertmo
answer 3
Nope 1 in 7, 6 groove
answered 2 years, 2 months ago
By
JR072
answer 4
the barrel is 1 in 7" twist, which is better for stabilizing heavy bullets
answered 2 years, 2 months ago
By
jon71321
answer 5
1 in 7in
answered 2 years, 2 months ago
By
Anon0
answer 6
No. The M400 has a 16 inch barrel with a 1 in 7 twist.
answered 2 years, 2 months ago
By
BlackDogActual
Question

Is the M400 Gas operated?

asked 2 years, 1 month ago
By
Mac
on Sig Sauer M400 with Prismatic Scope
6 answers
Answers
answer 1
YES, IT IS DGI (DIRECT GAS IMPINGEMENT)
answered 2 years ago
By
jon71321
answer 2
Features
- Direct impingement gas operating system with rotating locking bolt
- 5.56 x 45 mm NATO Chrome-lined barrels with phosphate finish
answered 2 years ago
By
Buck53545
answer 3
Yes, the gas block is located just down barrel from the forward grip.
answered 2 years ago
By
mlimberg
answer 4
Most all semi-automatic long guns are "gas operated," or they are recoil blowback operated (small/handgun calibre.) I think you meant is it Direct Impingement, gas going directly to the bolt, causing burned powder to dirty up, or foul, the action; or Piston operated, either short or long stroke.
In a Piston gun, gas only goes to a piston, forcing linkages to complete the firing cycle, the gas bleeds off right there. These are much more expensive, and run cleaner, the genuine benefit of a Piston gun running cleaner, is up for some argument among experts. If you think a firearm can work without cleaning, stay at the far end of the range, so I don't get hit by your shrapnel, when it blows up.
All AR/M-16 types were D. I., until fairly recently. Just as all M-1s, M14s, and AK's are Piston. Ruger 10/22s, as an example, are Blowback operated. Hope this helps.
answered 2 years, 1 month ago
By
LEGlockster
answer 5
YES.........NOT PISTON
answered 2 years, 1 month ago
By
VICEGRIPS
answer 6
Direct impingement gas operated
answered 2 years, 1 month ago
By
sigsav
Question

is this a airsoft gun

asked 1 year, 5 months ago
By
red
on Sig Sauer M400 with Prismatic Scope
5 answers
Answers
answer 1
Absolutely not an airsoft
answered 1 year, 3 months ago
By
daogman21
answer 2
NO
answered 1 year, 3 months ago
By
B1GD
answer 3
NO THIS IS NOT AN AIR SOFT
answered 1 year, 4 months ago
By
96taco4x4
answer 4
Sorry red, this is not an airsoft gun. It fires real cartridges that can kill whatever the rifle is aimed at.
answered 1 year, 4 months ago
By
SamSal3837
answer 5
No, for $900+, you are getting a REAL rifle
answered 1 year, 4 months ago
By
ChrisH1968
Question

What caliber does it use/shoot?

I've looked all over the Walmart online pages about this rifle and have not been able to learn the caliber of the rifle. I think that's pretty important.
asked 2 years, 3 months ago
By
mediabeing
on Sig Sauer M400 with Prismatic Scope
5 answers
Answers
answer 1
5.56 NATO (.223)
answered 2 years, 3 months ago
By
Mcblackjack21
 - wyoming
answer 2
5.56X45mm NATO
Can also use .226
answered 2 years, 3 months ago
By
Atlantaman99
 - Atlanta, GA
answer 3
ar-15,s shoot .223 shells the nato round is 5.56x45mm is the same shell its a higher pressure round so make sure your ar-15 is marked that it can shoot the nato round or call the company.
answered 2 years, 3 months ago
By
hamptondaddy
answer 4
223 and 5.56
Images for this Answer
(click to see full-size image)
User submitted photo
answered 2 years, 3 months ago
By
Meyougethis
 - Washington State
answer 5
5.56mm military caliber. It will also fire .223 civilian ammo.
answered 2 years, 3 months ago
By
MoroccoBahma
Question

Does this come with a rifle carry bag or case?

asked 2 years, 3 months ago
By
COshooter
on Sig Sauer M400 with Prismatic Scope
5 answers
Answers
answer 1
No, but I picked one up at WalMart for $25 that suits my purposes. The M400 with the Magpul upgrades comes with a bag, but not this one with the scope.
answered 2 years, 2 months ago
By
jon71321
answer 2
No. Just: rifle, scope (w/battery), sling, mag, and railing standard on Sig M400 SRP.
answered 2 years, 2 months ago
By
Anon0
answer 3
Mine came with a 30 round clip, safety lock, sling, manual, scope with battery.
answered 2 years, 3 months ago
By
Mcblackjack21
 - wyoming
answer 4
No. It comes with a sling only. No bag or case.
answered 2 years, 3 months ago
By
Atlantaman99
 - Atlanta, GA
answer 5
No carry bag nor case, it comes in a box.
answered 2 years, 3 months ago
By
Meyougethis
 - Washington State
Question

What caliber is this weapon?

asked 2 years, 2 months ago
By
Rod
on Sig Sauer M400 with Prismatic Scope
5 answers
Answers
answer 1
The weapon is chambered for 5.56 x 45 NATO but will fire .223 Remington ammunition also.
answered 1 year, 10 months ago
By
JS53
answer 2
5.56x45 and .223. Do not use 5.56x45 in a rifle labeled just .223. You can safely use .223 ammo in a rifle labeled 5.56 however. Sometimes they are labeled 5.56/.223.
answered 2 years, 1 month ago
By
sigsav
answer 3
5.56x45 and .223. Do not use 5.56x45 in a rifle labeled only .223. You can do the inverse however
answered 2 years, 1 month ago
By
sigsav
answer 4
5.56 x 45 mm NATO or .223 cal.
answered 2 years, 1 month ago
By
Gnu2Nv
answer 5
5.56 NATO
answered 2 years, 2 months ago
By
kenbertmo
Question

What size is the mag

asked 2 years, 2 months ago
By
Tonka
on Sig Sauer M400 with Prismatic Scope
4 answers
Answers
answer 1
30
answered 2 years, 1 month ago
By
sigsav
answer 2
30 round mil-spec magazine.
answered 2 years, 2 months ago
By
kenbertmo
answer 3
30 round
answered 2 years, 2 months ago
By
jon71321
answer 4
Comes with one NHTMG 30rd bare bone clip; it's not pretty and you will probably find it scratched upon opening the box. Plan on buying a couple of aftermarket clips after your purchase.
answered 2 years, 2 months ago
By
Anon0
Question

What is the maximum distance while maintaining accuracy with the scope.

What is the maximum distance while maintaining accuracy.
asked 2 years, 3 months ago
By
Andy
on Sig Sauer M400 with Prismatic Scope
4 answers
Answers
answer 1
I have shot accurately, using not only the 3x one it comes with but different optics as well, at 500m.

Also, if you do not shoot a lot, I would suggest that you use a higher power than a 3x.
answered 2 years, 1 month ago
By
canocarbon
answer 2
Don't know. It has a reticle marked out to 6oo yards. Shot a deer with it at 125 yards.
answered 2 years, 2 months ago
By
kenbertmo
answer 3
Don't know an exact maximum distance, I'm sure the gun shoots better than I do, so with a proper bench rest, you can get great accuracy. The scope itself has markings for up to 600 meters, but I don't know that I would count on being real accurate at that distance, not because of the gun, but because the scope is only 3x magnification. It's more of a close-up combat scope. At 600 meters, your crosshair would be bigger than your target! For long range, get a powered scope.
answered 2 years, 2 months ago
By
jon71321
answer 4
The illuminated 3x scope has recital marked I believe in 100, 400 and 600 meters in an upside down Christmas tree pattern. Its a tactical style scope not a sniper or hunting scope. it is designed for quick targeting not pinpoint accuracy. with my eyesight I'm happy with it up to a hundred yards which is the limit of my eyesight not the scope.
answered 2 years, 3 months ago
By
Mcblackjack21
 - wyoming
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