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Sig Sauer Caliber X-Change Kit MCX .300 AAC Blackkout 5 1/2" Rattler
Sig Sauer

Sig Sauer Caliber X-Change Kit MCX .300 AAC Blackkout 5 1/2" Rattler

Item #11285806 MPN CALX-MCX-5B-300-TAP UPC 798681587728
Sig Sauer Caliber X-Change Kit Sig Sauer MCX, .300 AAC Blackkout, 5 1/2", Rattler, Black

The Sig Sauer Caliber X-Change Kit allows for the conversion of your AR-15 to the Sig Sauer MCX Rattler. 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).



Specifications :

- Caliber: 300 AAC Blackout (7.62x35mm)

- Color/Finish: Black

- Length: 5.5"

- Shipping Weight: 2.8 lbs.

- DOT- Regulated: Yes

Manufacturer: Sig Sauer

Model: CALX-MCX-5B-300-TAP

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Sig Sauer Caliber X-Change Kit MCX .300 AAC Blackkout 5 1/2" Rattler
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