Action Body: 16.3 oz
Bolt Only: 11.5 oz
Body, Bolt, Rail, Recoil Lug, and Trigger Pins: 30.8 oz

Receiver Material: 416R Stainless
Receiver Length: 8.700”
Receiver Diameter: 1.35” Remington 700 Footprint
Headspace: 0.007" +/- .002"
Tenon Threads: 1.0625-16 UN-3B. Threads are made with a single point boring bar and indexed to top center of 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. 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, 0.067" diameter tip
Extractor/Ejector: Modified M16 type extractor, Rem 700 style pin ejector
Recoil Lug: 416R Stainless parallel sided or tapered. .187” (Rem 700 standard) or .300” produced in house and surface ground to .0002” tolerance.