Spuhr R-401: G3 Forend

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Lightweight slim profile aluminum forend for HK G3 and clones. Made from single billet of 7075 T651. 
Includes one A-0002 Picatinny Rail as well as two set screws to take up any play between the rear of the rail and the receiver and/or barrel shank.
Features Spuhr Interfaces on the bottom and the sides for attaching accessories. 
Lower weight than original plastic forend. Total weight 190 gram.
Spuhr Accessories:
Heckler & Koch


  • 5
    spuhr r-401

    Posted by JEFF W on Jun 15th 2021

    great quality and fit. not cheap but what is at this build level. super tight adjustable fit on my ptr-32

  • 5

    Posted by Aaron on May 23rd 2021

    Very well made and excellent fit, but expensive compared to some alternative systems. The proprietary screw mounting system is excellent for keeping weight at a minimum but allowing you to put rails only where you need them, with several sizes available

  • 5
    I put this on a PTR 91 to replace a German green thin fore end. The fit was perfectly tight including the pins. Weight was reduced and I can now use a bipod with the attached rail section.

    Posted by Don Dory on Aug 2nd 2020

    Does exactly as advertised in a Swiss precision manner. If you have surplus parts on your rifle this will improve your grip, decrease weight and add mounting options to your rifle.

  • 5
    Spuhr R-401: G3 Forend

    Posted by Anonymous on Dec 7th 2019

    Vents heat well. Sturdy construction. Unique mounting solution for 1913 rails; the one provided is all I need for mounting the accessory I plan on using.Great feel on the forend.

  • 4
    Spuhr R-401: G3 Forend

    Posted by Anthony Lewis on Nov 21st 2019

    Excellent fit, Very slim and lightweight. Only wish it came with more rail sections. Comes with (1) 2" one