New From McMillan Fiberglass Stocks; The Z1 – SHOT 2020

The Z1 is the first stock with McMillan’s new universal inlet.

McMillan Fiberglass Stocks is offering a new competition-style precision rifle stock called the Z1. This new stock is everything that you would expect from a McMillan stock, having aluminum pillars, neat color options and adjustable features to help fit the stock to the individual. That said, the Z1 is the first in McMillan’s new line of universal stocks.

The Z1 has an oversized barrel channel cut, which will fit most any contour barrel.

Yes, I said universal stock. Basically, McMillan’s Z1 is inlet to fit any Remington 700 type action. You choose between long action or short action for this inlet type. On the Z1, they have chosen to go with a low top line, which eliminates the need for an ejection port or bolt release cut and I am sure that you will see this design propagate through the universal inlet product line that is soon to be filled out.

The Z1 comes in only one barrel channel diameter, which is oversized to fit most any barrel contour.

The thumb shelf on the Z1 is oversized, making it comfortable to use while providing a positive place for your thumb to rest.

As mentioned, the Z1 is designed with all of the features that are demanded in a competition-style stock. It has a wide thumb shelf, vertical grip, a longer and wider forend, and an aggressive texturing. Of course, these aren’t it’s only noticeable features.

The Z1 feels much like a chassis with its adjustable design. It features an adjustable cheek-piece that can travel ~ 1.5″ vertically. The Pachmayr 1″ Decelerator recoil pad has ~ 2″ of adjustment thanks to a spacer system, providing a range of 13.5 – 15″ for the length of pull.

The cheekpiece features a clamp bar system that provides about 1.5″ of adjustment. Also, the recoil pad can be spaced to provide a LOP between 13.5″ to 15″.

The Z1 comes with 3 flush cup attachment points, a 6″ McMillan Picatinny Rail for attaching a bipod, Clampbar adjustable cheekpiece, spacers for adjusting LOP and installed aluminum pillars.

The recoil lug is inlet for oversized lugs that are common on custom builds. Also, notice how the flush-cup attachments are reinforced.


  • Right hand Remington 700/700 Clone Actions (Defiance, Bighorn, Stiller, Kelbly, Etc.)
  • M5 DBM bottom metal
  • Universal barrel channel

Specifications and Features

  • Available in right-handed configurations
  • Universal inlet
  • Accepts most barrel contours
  • Extra-wide thumb shelves
  • Vertical foregrip
  • Oversized lug area
  • Extra-wide and long forend
  • 5 paint options and 3 molded color options
  • Aluminum pillars
  • The overall length of stock: 30.750″
  • Weight: Approx 4lbs
  • Forearm width: 2.150″
  • Grip width: 1.925″
  • Buttstock width: 1.650″
  • $941.99 MSRP (shipping now)

Check out McMillan’s website HERE to learn more about the Z1!

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About the author: Riley Baxter is an avid and experienced hunter, shooter, outdoorsman, and he’s worked in the backcountry guiding for an outfitter. He also get’s a lot of enjoyment out of building or customizing his firearms and equipment. Check out Riley’s Instagram @Shooter300

{ 1 comment… add one }
  • Dr. Science January 30, 2020, 8:29 am

    15 – 13.5 = 1.5 inch LOP Adjustment

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