All backorders including Left handed Hammerheads are scheduled to arrive August/SEP 2024.

The all new BAT Hammerhead action purpose built for competition shooting.

Action Features:

• Short Action Right Handed only
• 75 degree 2 lug bolt
• AW Mag cut, accept both AW and AICS mags
• Dual position bolt stop for standard length and BR/Dasher length, shorter length is .350″ shorter than standard
• Improve cycling speed with a shorter bolt lift and shorter bolt pull
• Remington 700 Footprint with Integrated Full 20 MOA Picatinny rail and integrated .250″ recoil lug
• Extended ejection port for those high performance cartridges
• Available in Standard .480″ and Magnum .550″ bolt faces, can swap bolt faces between the two
• Entire action and bolt Black Nitride+
• 720″ diameter 75 degree spiral fluted modular bolt, can swap bolt faces without replacing entire bolt
• Wire EDM cut lug-ways with 0035″ bolt to body clearance that is optimal for field use
• Tool-less field serviceable and Melonited firing pin assembly
• 1.0625″ x 18 Tenon threads, will not work with standard REM 700 prefit barrels
• Unknown Munitions offers prefit barrels for all BAT actions
• M16 Extractor for Standard and Magnum bolt face, DLC Coated
• Replaceable bolt knob with 5/16-24 threads, titanium bolt knobs available HERE
• Available exclusively from Unknown Munitions, an Authorized BAT Machine dealer
• Works with our UM DBM and Mag with 2.890″ inside mag length
• BAT Action prints found HERE
• Made right here in Post Falls Idaho.

The TR action has been upgraded and replaced by the Hammerhead action with these changes:

• 75 degree bolt throw
• Two bolt stops included (one for Dasher length & one for standard)
• More bolt stop area and Larger bolt stop pin
• Bolt Stop pin now comes from the top
• Adjustment screw to stop upward travel of center feed boxes
• Softer Ejector spring
• Easier to snap over M-16 extractor
• No recessed bolt nose
• No trigger hanger
• Improved looks and different bolt knob shape