Agency Arms 118 Single Port Compensator
The Agency Arms 118 Single Port Compensator is threaded with a standard 1/2×28 thread pitch and is designed to utilize the OEM recoil spring assembly. For optimal fitment, overall barrel protrusion should measure 0.695″ ± 0.005″.
This compensator features a single chamber design with:
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1 vertical port
Compatible With:
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M&P9 3.6″
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M&P9 4″
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M&P9 4.25″
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M&P9 5″
Not Compatible With: Conversion barrels
Performance Notes
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Compensator may require tuning of the recoil system
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Designed to function with most factory-loaded ammunition
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Best performance achieved with heavier charged ammunition
Package Includes
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118 Single Port Compensator (generation specific)
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(2) Set Screws
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Allen Wrench
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Vial of Thread Locker
Fitment Notice
These compensators are designed to fit best with Agency Arms barrels. Some aftermarket barrels have different standoff distances, which may cause a visible gap between the compensator and slide.
Finish & Color Disclaimer
Gray and Gold finishes are anodized and are not an exact match to Agency Arms barrels. Actual product color may vary from images shown.
Purchase Disclaimer
Blemished items and discontinued items purchased from The Lounge are non-refundable. Please ensure this product fits your build before purchasing.








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