Sig Sauer MCX Rattler Cal-X Kit, 300 Blackout 5.5" Barrel, Tapered Lug

Description: Sig Sauer MCX Rattler Cal-X Kit, 300 Blackout 5.5" Barrel, Tapered Lug. This factory original Sig Sauer MCX Rattler Cal-X kit is compatible for the Rattler ONLY. Manufactured from steel components, this assembly features a genuine complete replacement barrel for the 5.5"  Rattler, flash hider and a complete gas block assembly.

SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16" may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer and do not have a stock attached to the lower receiver or (2) registered with the BATFE as a short barreled rifle (SBR).

Please check with your local and state municipalities for any further regulatory requirements. It is your responsibility as the buyer of these components to make sure you comply with all NFA rules and applicable laws.

NOTE: This Barrel is compatible with the Rattler ONLY. This barrel is not compatible with the MCX Virtus or Legacy MCX Uppers. 

This Assembly Includes:

• Flash Hider
• Barrel
• Barrel/Gas Block Assembly
• Piston
• Gas Valve

All NFA/ATF Rules Apply.  You May Not Install This Barrel Assembly On Your MCX Rifle Unless It Is A Registered SBR.

Manufacturer: Sig Sauer

PRODUCT SPECIFICATIONS:

• Barrel Length: 5-1/2"
• Brand: Sig Sauer
• Caliber: .300 Blackout
• Finish / Color: Black
• Firearm Type: Pistol,Rifle
• Material: Steel
• Models Fit: Sig Sauer MCX