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Change your standard handguard for the lightweight PTS ZEV Wedge Lock rail system and give your rifle a modular platform for attachments while cutting down the weight of your gun at the same time.
A lightweight, robust, free-float rail system that feels as good as it looks!
Looking to turn M4A1 into a MK18? With the Castellan MK18 7” Rail you are able to turn your M4 into a modular platform for attachments such as flashlights and foregrips.
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