Action Body: 15.1 oz
Bolt only: 10.5 oz
Body, Bolt, Rail, Recoil Lug, and Trigger Pins: 28.4 oz

Receiver Material: 416 Stainless
Receiver Length: 7.850”
Receiver Diameter: 1.35” (Remington 700)
Headspace: 0.007" +/- .002"
Tenon Threads: 1.0625-16 UN-3B, Threads are made with a single-point boring bar and indexed to the top center of the action. This allows any barrel ever fitted to a Stiller action to be screwed onto any other Stiller action without need for re-headspacing or re-indexing.

Bolt Design: One piece fluted on top and sides but not the bottom so that flutes will not interfere with magazine lips. TAC 30, TAC 300, and PREDATOR actions have a slightly swept bolt handle. Bolt knob is threaded. TAC and PREDATOR actions have a large knob with 5/16 x 24 thread. Aftermarket knobs can be swapped out by user or gunsmith.
Bolt Diameter: 0.007"
Bolt Stop: On side of receiver opposite bolt handle above the stock line.
Bolt Throw: 90 degrees
Bolt Material: 4140
Bolt Coating: Black Nitride
Firing Pin: Fluted Stainless Steel, .067" diameter tip
Extractor/Ejector: Sako Extractor
Recoil Lug: 416R Stainless parallel sided or tapered. .187” (Rem 700 standard) or .300” produced in house and surface ground to .0002” tolerance.