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WarBlock Builder

Welcome to the WarBlock Builder! Simply choose your base barrel configuration, then add the options you want and click add to cart.

Please add special instruction i.e. “Please remove gas block after pinning so I can install my rail” in order notes at checkout.

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Your WarBlock barrel assembly will then be expertly aligned, pinned using MIL-STD 2/0 taper pins, and your selected options assembled. Or in the case of a low profile gas block, set screws will be Rocksetted in. 

*Because we don’t know what your barrel looks like, images of the “Your Barrel” option are generic and may not appear true to life. Pinning and assembly charge of the “Your Barrel” option is $35. Yes we can do nitrided/melonited barrels.

We also use and can supply Aero Precision, and CMMG barrels upon request.

If you are looking for a Stand-alone WarBlock for DIY pinning please order from the link.

If sending in your barrel or hardware please ensure it follows the guide lines below.

Remember if you send us your barrel, please send a barrel with the standard 1.9

If you send us your barrel, please ensure it has

the standard 1.9″ gas block journal and not the

shorter 1.1″ journal designed for low profile gas blocks.

If sending your barrel, please ensure that it

has not previously been pinned.

If sending in your FSB please ensure that it has not been previous pinned

If sending in your FSB, please ensure

that it has not been previous pinned.