Spuhr R-410: G3 Stock Assembly

Current Stock:
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6-position stock assembly with replaceable cheek piece allowing for different sight solutions.

Remove factory stock from metal back plate and attach our stock adapter using the factory fasteners and the included washer or buffer collet (depending on buffer assembly).

Will fit HK G3, MP5, HK33, and HK53 provided the firearm has a metal back plate.

Weight: 385 g / 13.6 oz
Length*: 180-260 mm / 7.09"-10.24"
Cheek riser height: 5mm

Note: Stock pictured has Swedish Armed Forces markings. The commercial model does not have military markings. 
* Measured from rear of back plate
Comes with R-416 cheek riser (5mm)
Can use cheek riser R-422 (12mm) or R-423 (8mm)
Spuhr Accessories:
Heckler & Koch


  • 5
    Awesome product

    Posted by Brian on Feb 14th 2022

    Great upgrade for the rifle. Recoil is drastically improved in a very comfortable way

  • 5
    Great add on

    Posted by Martin Harris on Jul 5th 2021

    Beautiful well built sock. Expensive, but if you are buying anything Spuhr there is a premium attached to it. 250$ would have been a great price but I would totally but another one for this price.

  • 5
    SPUHR R-410 G3 STOCK

    Posted by Kal Doughan on Jun 1st 2021

    Best part ever made I recommend it to every G3 owner

  • 5
    South R-410, G3 Stock assembly

    Posted by Richard Ching on Apr 22nd 2021

    Great stock. Adjustable length of pull as well as has a linear recoil. Old stock has a depressed check well which gives you a surprise when firing.

  • 5
    Fast shipping, high quality product

    Posted by Drew K on Apr 19th 2021

    I’ve been waiting for these to be in stock for months and when I saw they finally were I jumped on it so fast. The stock feels great when shouldering it and makes my Ptr91 feel like a totally different gun. If you’re trying to modernize your G3, 91, or clone, this is one of the best things you can get. It was also shipped to my house in less than 72 hours after ordering which was nice.

  • 5
    Perfect optics solution for G3

    Posted by Zach on Feb 14th 2021

    The Spuhr stock was the perfect optics solution for my PTR-91 GIR. It’s expensive, but it provides a rock solid piece of kit to get the proper comb height for use with rail mounted optics. Very easy installation too.

  • 5
    spuhr r-410

    Posted by Ben on Jan 16th 2021

    put this on my ptr 91 fr. changed shooting position, dramatically improving the ergonomics

  • 4
    Nice and solid

    Posted by Frank Angelini on Oct 28th 2020

    A definite improvement over the original stock. Solidly built. Better esthetics than original. Can add higher cheek rests for a little more money. I guess the Swedish military opted out of any foam padding for the butt but i am thinking I can make something myself and superglue it !

  • 5
    Spurh R 410 PTR stock assembly

    Posted by Don Dory on Sep 16th 2020

    This was easy to attach. It allows a better choice of length of pull. Most importantly it provides an inline recoil impulse so muzzle rise is reduced. I just put 150 rounds out of my PTR this morning and was able to keep the target within the optic even during recoil to observe my hits. Great stuff in a battle rifle.