WBP *5.45* Core Parts Bundle

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This bundle includes only the unique parts specific to the WBP 5.45 build kits:

SKU:1550 Bolt
SKU:1555 Bolt Carrier
SKU:1545 23mm Trunnion
SKU:1560 Rear Sight Block

If a barrel is needed, we offer one made for the WBP 5.45 kits here

If you are planning to use a gas block combo, AIMS-74 barrels will also work if the handguard retainer notch is moved.


  • 5
    5.45 kit review

    Posted by Joehay on May 18th 2022

    Excellent price and fast shipping as well! The kit has been very well made, with clean and sharp lines throughout. The WBP logo on the Sight block is a nice addition as well. I plan to make a more modern 5.45 style rifle with this kit. Thanks again!