Holosun HS403B Red Dot Sight Sniper Rifle Upgrades One-Piece Hopup unit

One-Piece Hopup unit

The EPS Stock is compatible with almost all AEG and GBBR buffer tubes

Built In Sling Mounts

Adjustable and attaches to your belt

Holosun HS403B Red Dot Sight Sniper Rifle Upgrades One-Piece Hopup unitNot available for US customers. If you place an order containing any Holosun items to be shipped to the US, it will be cancelled and a 5% cancellation fee applied. OVERVIEW The 403B is a small compact micro red dot optic. Employing Holosuns LED technology, the lifetime for one CR2032 battery can be up to 5 years. This optic features our Shake Awake technology that powers the optic on with slight movement of the 403B. It may be installed on various