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These interchangeable, modular thread adapters, are available in a variety of different thread pitches to allow the Harvester 300 to be mounted on virtually any barrel. Sold individually.
R3 Flash Hider
Hybrid ASR Muzzle Device
Direct Thread Mount — Harvester 338 / Omega 300 / Hybrid 46
51T MAAD Mount / AC241
Dead Air Fixed Barrel Spacer / DA409
Blast Shield / AC1548
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