The Sons of Liberty Gun Works 16" Precision SPR Barrel chambered in 6mm MAX (SKU: 16Precision-SPR-6MAX) is a high-performance rifle component designed for the specialized 6mm MAX cartridge. This barrel is machined from 416R stainless steel and features an SPR profile that balances rigidity for precision with effective heat management. It utilizes an intermediate-length gas system, which is specifically tuned to provide a smooth cycling impulse and reliable extraction for this caliber's pressure curve. The barrel is finished in a durable black oxide and employs a 1:7.5 twist rate to stabilize a wide variety of 6mm projectiles. Sons of Liberty Gun Works Precision SPR 6mm MAX 16" 1:7.5 5/8x24 Muzzle Thread Intermediate 416R Stainless Barrel 16Precision-SPR-6MAX