This particular EdGI Custom Works tuning kit was made specifically for the Silverback SRS and comes with these parts:
Stainless Cylinder
Seamless 316L
Handle
Cylinder head
Heat Treated (Tan Color)
2 point Outer Contact
90 degree Piston
Polyurethane Cap Head
T6 anodized Body
Delrin Glide Ring
Stainless Base
50 grams
Spring -
Carbon wire -Pre compressed
Choice of 450, 500, 550FPs
13mm OD
10mm ID
420mm 6.01 Precision Barrel
High Brass 6.01ID
6mm hop window
RHOP - Ready
Lapped, Polished, Crowned
Spring Guide
Stainless Steel w/ Bearing
9mm OD
Once applied, you'll be happy to know that your bolt action sniper rifle will be one of the most precise shooting sniper rifles out there.