Search
Dealer Locator
Promotions
My Cart
Sign In
Menu

2 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-RATTLER LT UPPER ASSEMBLY - 7.75" 7.62X39
    MCX-RATTLER LT UPPER ASSEMBLY - 7.75" 7.62X39
    Price $1,799.99
    Out of stock
    Compare
Filter MCX Accessories
Now Shopping by
  1. Model
    SIG MCX
  2. Handguard Material
    Aluminum
  3. Bolt Carrier Group Included
    Yes
Reset
Model +
  1. SIG MCX
  2. SIG MCX-SPEAR LT
Caliber +
  1. 300BLK
  2. 7.62x39
Barrel Length +
  1. 6.75 in [171.45 mm]
  2. 7.75 in [196.85 mm]
Handguard Material +
  1. Aluminum
Bolt Carrier Group Included +
  1. Yes
TRENDING SIG SAUER LIFESTYLE GEAR
  1. SAUER LOGO ZIP UP HOODIE - GRAY
    SAUER LOGO ZIP UP HOODIE - GRAY
    $69.99
    (Save $25.00)
    As low as $44.99
  2. SIG SAUER EDC BELT - NEXBELT
    SIG SAUER EDC BELT - NEXBELT
    Price $69.99
  3. SAUER LOGO SNAPBACK HAT - GRAY
    SAUER LOGO SNAPBACK HAT - GRAY
    Was $24.99
    (Save $10.00)
    Special Price $14.99
Sign Up for News and Updates
InstagramYouTubeLinkedIn 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