Complete 350 Legend Firearm Build


    Barrel Length

    • If you need a custom length let us know! We can fit your barrel to clear your handguard and muzzle device, we are glad to help you with measurements. There is no additional charge to your barrel for this service. We are determined to get you what you are looking for.Max: 250 characters

    Gas Block Journal

    Gas System Length


    Barrel Finish

    Adding Nitride/Cerakote to your barrel will extend your lead time out 2-4 weeks depending on our vendor production time. Adding Cerakote will increase the price of the firearm. For a price for that please leave a comment at the bottom of the page and we will get back to you


    • What do we need to know?Max: 250 characters

    Complete 350 Legend Firearm Build$1,785.00
    Barrel Length
    Barrel Length -
    Custom Length -
    Twist Rate -
    Gas Block Journal
    Gas Block Journal -
    Gas System Length
    Gas System Length -
    Barrel Finish

    Product total

    Options total

    Grand total


    Complete 350 Legend Firearm Build  includes:

    MÔS-Tek Matched Billet Upper and Lower Receiver

    MÔS-Tek Custom Barrel (made to your specs)

    MÔS-Tek Fine Tuned BCG

    MÔS-Tek Stainless Steel Gas Block

    MÔS-Tek Gas Tube

    MÔS-Tek Handguard

    Squelch 2.0 Muzzle Brake

    Sig Charging Handle

    Lasered Ejection Port Cover (Your Choice of Design)

    Stock/Brace (Hogue, SBA3)

    Ergo Grip

    Precision LPK Kit

    Spring Kit (lightens trigger)

    MÔS-Tek Buffer Tube/Spring



    Additional information

    Weight16 lbs
    Dimensions36 × 12 × 6 in


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