RIFLES
SIG SAUER
SIG SAUER M400 SDI XSeries
M400 SDI 5.56MM 16" BLK 30+1
$1,499.99
Out of Stock
FFL TRANSFER REQUIRED. This firearm ships to your selected FFL dealer.
You'll complete a 4473 and background check at pickup. Most transfers cost $25–50 at the
local FFL. You'll select your dealer at checkout.
— Overview
M400 SDI 5.56MM 16" BLK 30+1. RM400-SDI-16B-P | MAGPUL STOCK. Features: Fluted Competition Barrel, SIG Flatblade Match Trigger, Hybrid Compensator/Flash Hider.
— Specifications
Built to Spec
Manufacturer
SIG SAUER
Family
SIGM400 Series
Model
M400 SDI XSeries
Item Number
SIRM400SDI16BP
UPC
798681664634
Caliber
223 Rem | 5.56 NATO
Action
Semi-Auto
Capacity
30 + 1
Barrel Length
16"
Rate of Twist
1-in-7"
Thread Pattern
1/2x28
Total Length
33.5" - 36.8"
Weight
7 lbs.
Finish
Black FNC Nitride
Finish Type
Black
Grip Type
MAGPUL SL Stock
Stock/Grips
Collapsible / Folding Stock MAGPUL SL Stock
Sights Type
None
Sights
None
Special
Threaded Barrel