Precision Grade Bipod - Compact - with 3 Adapters Marker Parts & Upgrades a scratch resistant coating that

a scratch resistant coating that protects both sides of the lens against scratches and minor abrasions

The modular installation allows you to gear up safely for competitive player versus player game

o-ring kit

In TechT's testing they found that changing to a different spring (lighter spring) caused issues with the cyclone feed loading correctly

Precision Grade Bipod - Compact - with 3 Adapters Marker Parts & Upgrades a scratch resistant coating thatBipods attach to virtually any Sling Swivel Studded Firearm Aircraft Grade Aluminum and Steel Construction Spring Loaded Folding Action to fold legs under forearm or to deploying the legs. Spring Loaded Legs also Retract with a push of a button, also with a Retention Knob for locking the legs in place. Rubber Pod Feet provide Extra Stability against slipping Available in a Compact Model with an Adjustable Height of 5 to 8 inches Includes 3 Adaptors: