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KRG - 180-Xray - CZ455

Rifle Chassis

KRG - 180-Xray - CZ455


KRG - 180-Xray - CZ455



180-Xray Chassis (Generation I Chassis)


  • Polymer for light weight and to eliminate heat transfer to/from the shooter's hand.
  • Mounting holes at various positions will take L2 Picatinny rails, QD sling mounts,NV mounts, etc.
  • Access hole for action mounting screw, so you can remove the action without removing forend.


  • V-bedding system which is CNC'd into aluminum for consistent contact between action and chassis.
  • Accommodates some large aftermarket recoil lugs.
  • Will accept any barrel contour up to 1.2” straight cylinder. However we recommend a lighter contour such as medium palma for extra barrel clearance.

Trigger Guard/Mag catch:

  • Will accept some aftermarket triggers.
  • CZ version uses factory magazine well and release.


  • Cheekpiece infinitely adjustable within range (1” travel).
  • Cheekpiece can be quickly removed and re-installed, uses a clamp and thumbscrew design.
  • Includes a simple feature to make the cheekpiece return to the exact height you set it.
  • Cheekpiece can be moved forward or backward.
  • Cheekpiece made of polymer to not transmit heat to or away from your face.
  • Small grips are standard fitment. The larger grip size is an option in our. Products/Accessories section of the website
  • Built in thumbshelf for same-side-thumb-grip shooters.

Length of Pull:

  • Adjustable with spacers in 3/8" increments with nearly 2 1/4” of adjustment range (uses same spacer packs as X-Ray Chassis).
  • LOP is approximately 12.7” standard and can be extended to 15” (technically even longer is possible with even more spacers).

Buttstock (Standard X-ray buttstock, fixed or folding Whiskey-3 buttstock optional):

  • Reinforced polymer material.
  • Heavy internal ribbing provides great strength.
  • Mounting points for external QD cup or for our Sling Loop/QD mount on either side.
  • Built in thumbshelf for same-side-thumb-grip shooters.
  • Entire buttstock assembly can be used on Whiskey-3 or TRG if you should desire.


  • Moves vertically to various positions.
  • Adjusted with hex wrench.
  • Buttpad is Remington 700 pattern so user can install aftermarket pads.

Mounting features for slings, monopods, etc:

  • Buttstock has one position on each side for external QD cup and one position on each side for Sling Loop/QD mount.
  • Buttstock includes bag rider/butthook which can be replaced with included picatinny rail.
  • Harris bipod stud included for forend.
  • Forend has mounting positions for QD sling plate, Sling Loop/QD mount, L2 rail, Night Vision mount, etc.

Optional Accessories:

  • Large selection of accessories from sling mounts to tripod mounts.


  • All aluminum parts are hard anodized (Type III).
  • Nearly all fasteners are stainless steel with black oxide coating.
  • Steel parts are salt bath nitrided or stainless steel.
  • Grip panels and forend are injection molded reinforced polymer.


  • 3.2lbs CZ w/ X-ray buttstock


  • Black


  • $599 CZ-455 black (standard with X-Ray back end, W3 fixed/folding available at additional cost).
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