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AR-10 Buffer Tubes and Parts
Understanding AR-10 Buffer Systems
The buffer system controls bolt carrier movement and recoil energy in your AR-10. Because large-frame rifles operate at higher pressures than AR-15 platforms, the buffer, spring, and receiver extension must be properly matched to ensure reliable cycling and long-term durability.
Many AR-10 builds use a standard mil-spec carbine buffer tube paired with an AR-10–length buffer and a .308-rated buffer spring. While the buffer tube itself may be similar to AR-15 systems, the internal components are not interchangeable.
Selecting the correct buffer weight and spring strength can help reduce felt recoil, improve feeding, and prevent overtravel or short-stroking issues. Precision and suppressed builds may benefit from heavier buffers or dedicated AR-10 buffer systems for smoother operation.
For best results, consider your barrel length, gas system, and intended use when choosing buffer components, or simplify the process with a complete AR-10 builder kit.
At Tactical Expressions, we focus on AR-10 buffer tubes and buffer system parts that help builders achieve consistent, reliable performance with fewer tuning issues.
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