The Gun Store | Waterbury CT

131073

Sig Sauer Electro-Optics SOT61239 Tango6T Flat Dark Earth 1-6x24mm 30mm Tube Illuminated DWLR6 Reticle

November 19, 2025
59437

Streamlight 69223 CR2 3.0 Volts 750 mAh Fits TLR 3/TLR 4 (2) Single Pack

November 19, 2025

Sig Sauer RM400SDI16BP M400 X-Series 5.56x45mm 30+1 16″ Black FNC Chrome Moly Steel Barrel, Black Anodized Aluminum Receiver, 15″ M-LOK Handguard, Synthetic Magpul SL-K Stock, Black Polymer Grip

$1,499.99

Sig Sauer RM400SDI16BP M400 X-Series 5.56x45mm 30+1 16″ Black FNC Chrome Moly Steel Barrel, Black Anodized Aluminum Receiver, 15″ M-LOK Handguard, Synthetic Magpul SL-K Stock, Black Polymer Grip

15 in stock

SKU: ORI|59449 Category:

The M400 X-series features a free-floating M-LOK handguard, Magpul SL-K 6-position telescoping stock, Sig Flat Match Grade trigger, 16″ Chrome Moly barrel, and a 7075 T-6 aluminum receiver with a black hardcoat anodized finish.

UPC

798681664634

Manufacturer

Sig Sauer

Manufacturer Part Number

RM400-SDI-16B-P

Action

Semi-Auto

ATF Type

MODERN SPORTING RIFLE

Barrel Finish

Black FNC

Barrel Length

16"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

1-30RD

Length

36.8''

Magazine Included

1 x 30-Round

Model

M400

Number of Magazines

1 30 rd.

Package Height

4.3

Package Width

11.3

Product Type

AR

Rate of Twist

1:7"

Safety

AMBI SAFETY CONTROL

Shipping Weight

10.0

Sights

Optics Ready

State Restriction (CA)

NO DIRECT SHIP TO CALIFORNIA

State Restriction (RI)

NO DIRECT SHIP TO RHODE ISLAND

State Restriction (WA)

NO DIRECT SHIP TO WASHINGTON

Thread Pattern

1/2"-28 tpi

Units per Box

1