Remington X-Mark Protrigger Remington 700 Short Action Bolt Action Rifle Trigger - Remington Model 700 Long Action Magnum blued receiver. Specs: Carbon steel externally adjustable X Mark Pro Trigger 1 1/16 - 16tpi thread. Bolt not equipped with Integrated Security System. DOES NOT INCLUDE receiver plug screws recoil lug triggerguard triggerguard screws or magazine components.