GRS Fenris Composite Stock for Mauser M18
The GRS Fenris Composite Stock for the Mauser M18 is a right-hand stock made from fibreglass composite, resistant to harsh weather and built to manage recoil. It has adjustable length of pull and cheek piece height for a consistent fit in hunting and competition, and an ergonomic grip.
| Specification | Value |
|---|---|
| Weight | 1400 g |
| Length | 755 mm |
| Length of Pull | 363 mm |
| Fore-end Width | 58 mm |
| Barrel Channel | 22 mm varmint |
| Bedding | Glass bedding |
| Torque Setting | 5.0 Nm |
| Maximum Calibre | .375 H&H |
FAQ
Is the stock compatible with all Mauser M18 models?
The GRS Fenris Composite Stock is designed for the Mauser M18 and fits standard models with a 22 mm varmint barrel channel. Compatibility may vary depending on specific modifications or custom barrels.
Can the length of pull and cheek piece height be adjusted?
Yes, the stock features adjustable length of pull and cheek piece height for personalized fit during hunting or competition use.
What materials is the stock made from?
The stock is made from fibreglass composite, offering durability and resistance to harsh weather conditions.

Jane Quinn –
Fitted the stock to my Mauser M18 and it fits perfectly. The adjustable features allow me to fine-tune the cheek piece and pull length for better comfort during long hunts. The composite material feels solid and doesn’t warp in rain or cold. No issues so far with recoil management.
Dorothy North –
Good quality composite stock with a smooth finish. The length of pull adjustment works well and I can now shoot more comfortably in varied positions. A bit heavier than expected, but the stability is worth it.
Cameron Payne –
Installed this on my competition rifle and noticed a significant improvement in balance and control. The glass bedding ensures a solid fit, and the ergonomic grip reduces hand fatigue during extended shooting sessions.