Get a Custom Henry Serial Number! Shop Now

Get a 10% Off Coupon! Join SMS

50% Off Jackall Fishing Baits. Shop now

Daniel Defense Deals. Shop now

Used Gun Sale Shop now

The Gun Blog Read Now

Previous Next

Shopping Cart

Contact Us
My Account
Cart (0)

Firearms
Ammo
Optics
Accessories
Reloading
Hunting
Fishing
Outdoor Rec
Apparel
Law Enforcement
Rebates
Shop All Sale Items

Contact Us
My Account

Firearm Accessories
AR Parts and Accessories
Rails & Forends
Sig Sauer

Sig Sauer Rails & Forends For Sale

Sort by Price:
Low
High

In Stock Only

Department
Firearm Accessories
AR Parts and Accessories
Rails & Forends

Brands

Sig Sauer

Product Lines

M400

Sig Sauer M-LOK Sight Rail for M400 Tread

$29.99 $9.99

In Stock

Brand: Sig Sauer
Item Number: KIT-TRD-SIGHT-RAIL

Sig Sauer M400 Tread 13-Inch M-LOK Handguard

$149.99 $100.97

Notify Me When Available

Brand: Sig Sauer
Item Number: HGRD-TRD-E13-MLOK-BLK

Join Our Mailing List for Exclusive Savings!

Get our hottest deals, giveaways, and new release information delivered right to your email.

Thank you for subscribing! Be on the lookout for our latest deals. If you prefer texting, you can Sign up for text deals as well!

Customer Service
Your Account
FAQs
Check Order Status
Contact Us
Returns
Shipping Info
Find an FFL Dealer

Information Guides
How to Buy Guns Online
Best Selling 2026 Products
Gun Blog
Gun Financing Options

Company
About Us
Site Directory
Privacy Policy
Affiliate Program
Join our Newsletter
Bi-Weekly Gun Giveaways

Connect with Us

While every effort is made to include accurate and correct images, descriptions and pricing for all products, inadvertent errors may occur. Sportsman's Outdoor Superstore reserves the right to modify or change pricing information or descriptions without notice. If you have a question about an item, please call or e-mail for more information before placing your order.

Sportsman's Outdoor Superstore

Are You at least 18 Years Old?

Please confirm that you are of legal age to enter this site.

By selecting Yes, you confirm that you meet the legal age requirements for viewing and purchasing products offered on this website. You are also verifying that you are not using a shared device.

Sig Sauer Rails & Forends For Sale

Department

Brands

Product Lines

Sig Sauer M-LOK Sight Rail for M400 Tread

Sig Sauer M400 Tread 13-Inch M-LOK Handguard