Home Rifles .300 Blackout
Sig Sauer MCX Rattler .300 Blackout
.300 Blackout • Sig Sauer

Sig Sauer MCX Rattler .300 Blackout

Model: RMCX-300B-5B-TAP-SBR

30
CAPACITY
5.5"
BARREL
5.7
LBS
Semi-Auto
ACTION
.300 Blackout
CALIBER
$2,980
MSRP

Full Specifications

Series Rattler
Action Type Semi-Auto
Trigger SIG Enhanced 2-Stage
Safety Ambidextrous Selector
Optic Ready Yes
Magazines Included 1
Overall Length 23.5"
Barrel Length 5.5"
Height 8.0"
Width 2.8"
Weight 91.2 oz (5.7 lbs)
Receiver Material Aluminum Alloy
Receiver Finish Black Anodized
Barrel Material Carbon Steel
Barrel Finish Black
Twist Rate 1:5"
Thread Pattern 5/8x24
Muzzle Device 3-Prong Flash Hider
Stock Material Aluminum
Grip Type Polymer
Country of Origin USA
Includes: (1) 30-Round Magpul Polymer Magazine

Compatible Ammunition

Find the best prices on compatible .300 Blackout ammunition.

Shop .300 Blackout Ammo →

Ballistics Calculator

Calculate trajectory, drop, and energy for .300 Blackout ammunition.

.300 Blackout Ballistics →

Where to Buy

No prices available at this time.