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This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.
Sig Sauer
M400 Forge
$1,199.99
$1,099.99
Sale Price
Out of Stock
Sig Sauer M400 Forge, Semi-automatic, Rifle, 5.56 NATO, 16" Barrel, Matte Finish, Flat Dark Earth, Romeo-MSR GenII 2 MOA Red Dot, 30 Rounds, 1 Magazine RM400-556N-16B-FORGE-FDE
Key Details
Brand
Sig Sauer
Manufacturer Part Number
RM400-556N-16B-FORGE-FDE
UPC
798681744190
SKU
SGRM400556N16BFORGEFDE
Current Stock
0 available
Quantity Updated
May 29, 2026 9:50 AM
Purchase Requirements
- This product requires FFL processing before pickup or transfer.
- Age verification is required before checkout completion.
- California compliance or distributor restriction review may apply.
- Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description
Trusted by military, police, and civilians for decades, SIG SAUER has earned a worldwide reputation for the unquestioned accuracy and unflinching reliability of its pistols and rifles. The M400 Forge Series features a cold hammer forged barrel, a ROMEO-MSR GEN II red dot, and a two-stage flat blade duty trigger.
Features
- TriggerTech 3.5lb Two-Stage Flat Blade Duty Trigger
- ROMEO-MSR Gen II with 2MOA Red Dot
- Cold Hammer Forged Barrel
- Ambidextrous Charging Handle
- Aluminum Handguard
Specifications
UPC:
798681744190
Manufacturer:
Sig Sauer
Manufacturer Part #:
RM400-556N-16B-FORGE-FDE
Model:
M400 Forge
Action:
Semi-automatic
Barrel Length:
16"
Capacity:
30 Rounds
Finish:
Matte
Grips:
Polymer
Type:
AR
