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KRG 180-Alpha Savage SA Bottom Bolt Release Black Chassis


KRG 180-Alpha Savage SA Bottom Bolt Release Black Chassis


  • Item is backordered.

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Your Price $778.00
iconThis item ships for free Offer valid within continental United States. Excludes firearms & ammunition.


Kinetic Research Group’s 180-Alpha is designed specifially for Savage rifles.


  • Polymer
  • Mounting holes will take L2 Picatinny rails, QD sling mounts, etc
  • Access hole for action mounting screw (allows the action to be removed without the forend having to be removed)


  • V-bedding system that is CNC’d into aluminum
  • Can take larger aftermarket recoil lugs
  • Will accept barrel contour up to 1.2” straight cylinder

Trigger Guard/Mag catch

  • Can accept Timney, Rifle Basix, and factory triggers
  • Extended release button is available as an optional item

Magazines Used

  • AICS 5 or 10 rounds mags (not included)


  • 1” travel
  • Quickly removed and re-installed using a clamp and thumbscrew design
  • Simple feature allows the cheekpiece to return it to the exact height it had been set
  • Cheekpiece can move forward or backward
  • Made of polymer


  • Aluminum
  • Thumbshelf for same-side-thumb-grip
  • QD sling mount on each side
  • Buttpad has vertical adjustability with a hex wrench (pattern is for a Remington 700 which allows for installation of aftermarket pre-fit pads)

Length of Pull

  • Length of Pull can be adjusted with 3/8” spacers for a total of 2 ¼” adjustment
  • Length of Pull varies slightly between versions from 12.7” to 15”

Mounting Features

  • Multiple QD mounting options on both buttstock and forend
  • Harris bipod stud on forend
  • Comes with MOE L2 and L3 rails


  • All aluminum parts are Type III hard anodized
  • Most fasteners are stainless steel with black oxide coating
  • Steel parts are salt bath nitrided or stainless steel
  • Grip panels are injection molded reinforced polymer

The 180-Alpha Chassis is available for the following inlets:

  • Savage SA (4.4” spacing) side or bottom bolt release

Download the 180-Alpha Chassis Installation Instructions here.


Item ConditionNew
Dimensions:Length of Pull: 12.7 to 15" with 3/8" adjustments using spacers
Weight:3.5lbs without magazine
FitsSavage 12 SA
HandednessRight Hand


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