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.
All SIONICS firearms and products must be paid for in full at the time of order to ensure there aren’t complications when it comes time to shipping.
Luckily you can purchase right here on the website. Of course full firearms and lower receivers are considered to be restricted items and must be shipped to an FFL. So add your configured SIONICS firearm or lower receiver to the cart and in the additional notes add the information for your FFL. We will reach out to them and get…
Surprise! It does not stand for Assault Rifle. The AR in AR-15 stands for Armalite, who is the original designer and manufacturer of the AR-15.
Our test rifle, “Chuck Norris”, has had over 200,000 rounds through it with very little cleaning or maintenance and still runs great, so you be the judge.
All SIONICS products are warranted against defects in material and workmanship for the life of the original retail purchaser. For more information refer to the terms and conditions page.
Currently all of our barrels are chambered in 5.56 NATO.
The quick answer; as long as it’s 5.56 or .223 then it will work great. That being said, we test fire all of our firearms, uppers and BCG’s using Magtech M193 55gr 5.56 ammunition.
Nope. That is why we have our strict QC Process and test-firing procedures.
Chrome lining is a treatment applied to the inside of SIONICS barrels. Chrome lining is essentially an alternative to a Melonite/nitride finish. During this process, chrome is applied to the lands and grooves of the barrel’s rifling, as well as the chamber. In order to ensure accuracy with this extra material, chrome-lined barrels are typically bored out more than the…