Brand: FLUX Defense + True Precision
Model: Big Black Barrel 2.0
Caliber/Gauge: 9mm
Firearm Fit: Sig Sauer P365 series
Profile: Extended pistol profile
Extension: Standard P365 lug / slide integration pattern
Twist Rate: 1:10 RH
Muzzle Thread: Non-threaded
Material: 4150 CMV Steel
Finish: Black Nitride
Length: 6.0 inches

Features

Upgrade your Raider 365 build with the FLUX Defense Big Black Barrel, a purpose-built 6" 9mm barrel designed to maximize performance in the FLUX Raider 365 chassis. Developed in collaboration with True Precision, this barrel is made to sit flush with the Raider 365 platform while giving shooters added barrel length for improved velocity, reduced muzzle blast, and a smoother shooting experience. Built from durable 4150 CMV steel and finished in Black Nitride, the Big Black Barrel is engineered for strength, wear resistance, and long-term reliability. The Big Black Barrel is designed specifically for the SIG Sauer P365 / Raider 365 platform and is not compatible with SIG P320 platforms.

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