Action Body: 19 oz
Bolt Only: 13 oz
Body, bolt, rail, recoil lug, and trigger pins: 35.9 oz
Receiver Material: 416R Stainless
Receiver Length: 9.165”
Receiver Diameter: 1.4" Action screw spacing is 8.715". Front screw to rear recoil lug is 1.365"
Headspace: 1.000" +/- .001"
Tenon threads: 1.125-16 TPI 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 338 actions have a straight bolt handle. Bolt knob is threaded and comes equipped with a large knob with 5/16 x 24 thread. Aftermarket knobs can be swapped out by user or gunsmith.
Bolt Diameter: 0.747"
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: Modified M16 type extractor, Rem 700 style pin ejector
Recoil Lug: 416R Stainless parallel sided or tapered. .187” (Rem700 standard) or .300” produced in house and surface ground to .0002” tolerance.