California Proposition 65 Warning
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
$1,099.99
$999.99
Sale Price
Available
Sig Sauer M400 Forge, Semi-automatic, Rifle, 5.56 NATO, 16" Barrel, Matte Finish, Black, Magpul MOE Fixed Stock, Pistol Grip with CA Compliant Fin, Romeo-MSR Gen II 2 MOA Red Dot, 10 Rounds, 1 Magazine, California Compliant RM400-556N-16B-FORGE-10
Key Details
Brand
Sig Sauer
Manufacturer Part Number
RM400-556N-16B-FORGE-10
UPC
798681744138
SKU
SGRM400-556N16BFORGECA
Current Stock
150 available
Quantity Updated
Jun 24, 2026 10:53 PM
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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
- California Compliant
Specifications
UPC:
798681744138
Manufacturer:
Sig Sauer
Manufacturer Part #:
RM400-556N-16B-FORGE-10
Model:
M400 Forge
Action:
Semi-automatic
Barrel Length:
16"
Capacity:
10 Rounds
Finish:
Matte
Grips:
CA Compliant Blade
Type:
AR
