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Cross Machine Tool
Overview
The Cross Machine Tool Extended AR-15 Pistol Buffer Weight is designed specifically for pistol buffer tube assemblies, providing a reliable weight of 7.7 ounces that helps manage recoil and stabilize the platform during firing. This buffer is crucial for builders focusing on enhancing the performance of their short-barreled configurations, particularly with a pistol gas system. You'll frequently find this buffer in builds chambered for 300 Blackout, where optimal cycling is essential for performance.
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Builders on GunPartPicker first added the Cross Machine Tool Extended AR-15 Pistol Buffer Weight - 7.7 Oz. to a build in February 2026.
Updated · from real builds on GunPartPicker
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Read the guide: AR-15 Buffer Guide →Popular alongside buffers on GunPartPicker

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