APS have sent over details of two bits of kit of their which includes photographs of their SI870 that I’ve mentioned before and their Silver Edge Gearbox. Silver Edge is a mk2 or 3 gearbox that’s polished and produced to a high spec and according to their research can reduce ampage by 0.8A. Here’s the blurb:
SAI870 Shotgun – Salient Arms International Authorized Product.
You shouldn’t have any doubt about Salient Arms International’s Products. SAI has long been famous to produce upgrade parts for real firearms. Nowadays, SAI is a trademark of high quality, upgrade and innovation.
After their inspection and testing. In 2016, APS granted the license from EMG and SAI to make a superb 870 that is designed for the perfectionist and training weapon. This shotgun featuring in:
a) Original marking receiver and bolt
b) Barrel mount with Rail Adapter
c) Reinforced titanium coated bolt, forend cradle, Magazine Cradle, C Plate
d) Magpul Forend and Butt Stock (Original/ Stippled)
e) Stainless Steel Carrier Plate
f) Modifed loading Port
g) Fiber Optic Front Sight
h) Salient Arms International Licensed TrademarkIn 2014, APS bought to you an ultimate product called Silver Edge Gear Box. An unique technology that is being used to polish and buff the Gear Box surface, which leads to an extreme smoother and brighter finish. This kind of finishing remove burrs and other surface flaws. Less friction of the gear box parts will result in lower ampere. With the help of full bearing parts installed, Silver Edge Gear Box successfully lower the ampere by 0.8A, which extends the life of Gear Box and improve Gear Box performance.
Key Features of Silver Edge Gear Box:1) Quick Change Spring System
2) Polished and Buffed surface improves smoothness
3) 8mm Bearing Bushings, Bearing Piston Head and Bearing Spring Guide used
4) 100% TM Compatible Parts
5) Prevent Corrosion
6) Available in No.2 and No.3 Gear Box
7) The Quick Change Spring Guide has 4 locking legs instead of 2 which is different from the existing spring guide found in the market which further secure the spring while shootingDerek Leung, (Sales Representative, APS Ltd)