Frequently Asked Questions:


What is a Leber V2?

A Leber V2 is a lower, designed for the HK MP5 and variants manufactured by Century Arms, PTR, Zenith and MAC to utilize the versatility of a AR15 fire control group, including the use of a super safety. All Leber V2 engineering credit goes to s3igu2

Is the Leber V2 compatible with super safeties?

Yes, the Leber V2 is compatible with the Hoffman Tactical style super safety.


Is the Leber V2 legal to own?

Yes, the Leber V2 is the un-serialized portion of the MP5 platform which makes it an unregulated firearm accessory. However, this may not apply at your state or local level depending on whether you have a super safety installed. Be sure to know your state law regarding full reset triggers.

What type of material are you manufacturing with?

We primarily utilize PA612-CF which is a PA6 & PA12 nylon blend that has been infused with carbon fiber strands. PA612-CF provides excellent durability and surface finish characteristics for 3D printing parts.

What is annealing?

Without getting to technical annealing is heat treating a polymer for an extended period of time to increase the tensile strength and impact durability. Not all annealing processes are the same, ours produces higher tensile and impact characteristics while providing a richer color of black than other manufactures.

How long will take for my order to ship?

If the items are listed as in stock on the website your order should ship with 2-3 days.

What is the warranty of your products?

We warranty all of our products for 90 days to be free of manufacturer defects. Warlock Arms will replace any defective item that is deemed to have failed due to poor manufacturing. The warranty does not cover damages that are deemed intentional, misuse of the product, or normal wear. The warranty does not cover minor cosmetic artifacts that may occur during 3D printing. Warranty does not cover hammer drops outside of the firearm. ***Dropping the hammer while outside of the firearm will ruin your Leber V2***

What is you return policy?

We offer a 7 day return policy on all unused items that are in original condition, the refund will be issued minus a 20% restocking fee. If your item was damaged during shipping be sure to contact us as soon as possible and include pictures of the product and the package it was shipped in. We do not accept returns on items that have been used.