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Expo Arms
Overview
The Expo Arms/FCD Extended Stoner 63 Style Compensator is designed specifically for 5.56 NATO caliber firearms, providing effective recoil management and muzzle rise reduction during rapid fire. With a 1/2x28 thread pitch, it easily attaches to compatible barrels, while the nitride finish enhances durability and resistance to corrosion. This compensator is commonly found in mid-length gas system builds, making it a practical choice for those seeking improved stability in their AR-15 configurations.
Expo Arms/FCD Extended Stoner 63 Style Compensator - Dead Air Keymo Mount - 1/2x28
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Builders on GunPartPicker first added the Expo Arms/FCD Extended Stoner 63 Style Compensator - Dead Air Keymo Mount - 1/2x28 to a build in February 2026.
Updated · from real builds on GunPartPicker
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Builds in the community that include the Expo Arms/FCD Extended Stoner 63 Style Compensator - Dead Air Keymo Mount - 1/2x28
| Build | Parts | Total |
|---|---|---|
![]() | 28 | $3433.16 |
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