All FAQS

How do these triggers feel?

SIONICS triggers have an extremely clean break due to the NiB plating and our stringent machining and QC processes. SIONICS triggers also have an incredibly tactile reset allowing for quick and easy follow up shots or high round count strings of fire.

What are the markings inside my NP3 bolt carrier group?

Due to the inherent nature of NP3 Coating, tooling marks may be present on SIONICS NP3 Coated Bolt Carrier Groups. Tooling marks are COSMETIC and have ZERO effect on function.  Being that the NP3 Coating impregnates into the host material, it is much thinner and much less forgiving in hiding Tooling Marks. Other popular coatings such as Phosphate and Nitride…

What is your test firing process?

Here at SIONICS, we test fire EVERY BCG, upper receiver group, and firearm. Our test firing process is simple: BCGs get 5 rounds of M193 and another single round in a separate magazine to ensure function, ejection pattern, and lock-back. All upper receiver groups and firearms get 7 rounds of M193 and another single round in a separate magazine to ensure…