Good luck. But seriously, if you lose something, give us a call.
The most important parts to pay attention to would be your hammer and trigger springs. Generally, if you have worn out your barrel, your trigger and hammer springs are ready to be replaced.
With the exception of the SIONICS builders kit, the answer is yes. You choose between a SIONICS Enhanced Mil-Spec trigger system or the two-stage trigger. system.
SIONICS trigger assemblies are much more reliable than “drop-in” and cassette style triggers due to the fact that it becomes much harder for debris to get lodged in your fire control group. SIONICS trigger assemblies do NOT require anti-walk pins like “drop-in” and cassette style triggers.
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.
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…
SIONICS handguards feature QD attachment points at the forward and rear 3 and 9 o’clock positions. SIONICS QD receiver sockets are anti-rotational.
SIONICS handguards are incredibly rigid and the inherent design features ensure anti-rotation. Through rigorous testing both by SIONICS and the many LE agencies using SIONICS rifles we can ensure zero retention when using IR/VIS aiming devices.
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…
Sprinco AR-15 Extractor Springs are made from high quality Chrome Silicon wire stock that has been heat treated, stress relieved, and cryogenically processed to produce long lasting durability. 5-Coil springs provide a higher spring pressure than OEM springs for use in all AR-15 pattern rifles and performs well even if the rifle is dirty.