The Ulfhednar M-LOK Weights "Mark" are a set of two precision brass weights, each weighing one "mark" (250 g), for adding balance and stability to your air rifle or airgun. They mount directly to M-LOK rails and come with a QD connection for attaching a carrying sling. CNC-machined in Norway for a precise fit and a clean, understated look on any setup.
| Material | Brass |
| Weight per piece | 250 g (1 mark) |
| Total weight | 500 g |
| Dimensions (per piece) | 7.9 × 3 × 1.5 cm |
| Mounting | M-LOK |
| Includes | QD connection for carrying sling |
| Made in | Norway |