KWA KMP9 / MP7 Main Seal, Part #34, 40, 77, 84,129 199-9999-E016

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The KWA E-16 Main Seal fits many KWA GBB pistols and SMGs.

Occasional replacement helps restore compression and FPS.

On respective diagrams, this part appears as M9 Part 34, M93R II part 40, KMP9/KMP9R part 129, TT-33 part 84, and MKV part 77.

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