Search
Dealer Locator
My Cart
Sign In
Menu

2025 Top Selling Items

3 Products

per page
Set Descending Direction
  1. Restricted in some areas Set My Location
    MCX-RATTLER LT UPPER ASSEMBLY - 6.75" 300BLK
    MCX-RATTLER LT UPPER ASSEMBLY - 6.75" 300BLK
    Price $1,799.99
    Compare
  2. Restricted in some areas Set My Location
    MCX-SPEAR LT 9" UPPER AR CONVERSION KIT 300BLK-BLACK
    MCX-SPEAR LT 9" UPPER AR CONVERSION KIT 300BLK-BLACK
    Price $1,699.99
    Compare
  3. Restricted in some areas Set My Location
    MCX-SPEAR LT 9" UPPER AR CONVERSION KIT 300BLK - FDE
    MCX-SPEAR LT 9" UPPER AR CONVERSION KIT 300BLK - FDE
    Price $1,699.99
    Compare
Filter 2025 Top Selling Items
Now Shopping by
  1. Twist Rate
    1:5
Reset
Model +
  1. SIG MCX
  2. SIG MCX-SPEAR LT
Barrel Length +
  1. 6.75
  2. 9.0
Operating System +
  1. Gas Piston
  2. Short-Stroke-Piston
Color +
  1. Black
  2. FDE
Twist Rate +
  1. 1:5
  2. 1:7
  3. 1:9.5
Handguard Inside Diameter +
  1. 1.48-in
Barrel Rifling Type +
  1. Hammer Forged
Chrome Lined Barrel +
  1. No
Handguard Length +
  1. 5.5
  2. 7.94-in
Sign Up for News and Updates
www.sigsauer.com
72 Pease Boulevard
Newington, NH 03801

Contact Us: https://www.sigsauer.com/contact
Phone: 603-610-3000
Customer Service Hours: Monday - Friday, 8:30am - 5:00pm EST
SIG SAUER Social
© SIG SAUER 2026. All Rights Reserved.
Compare Products
Items
Launch Compare

Zip Code Verification

Some localities have legal restrictions on products which requires the validation of your ZIP code

Age Verification

Some localities have legal restrictions on products which requires the validation of your age