Sig Sauer RM400-16B-C-CA M400 Rifle 5.56 mm 16 inch 10 Round Black California
$1,053.30
The Sig Sauer M400 Rifle delivers proven AR performance with a durable 16-inch chrome-lined barrel in 5.56 NATO. Built on a forged aluminum lower receiver, it offers exceptional reliability and features a familiar M4-style ergonomic platform. The 10-round capacity makes it a versatile choice for California buyers.
Out of stock
Sig Sauer RM400-16B-C-CA M400 Rifle 5.56 mm 16 inch 10 Round Black California
| Weight | 9.550 lbs |
|---|---|
| Manufacturer | Sig Sauer |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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