This Primary Arms rifle scope is part of the SLx optics line. SLx optics built their reputation for innovation, reliability, and value. All SLx optics undergo rigorous field-testing during development to best serve you in any environment. This tough variable scope works well with all calibers and is covered by the Primary Arms Lifetime Warranty. Features:Universal for all calibersBullet drop compensationWaterproofFog ResistantFlip Caps Included Lifetime Warranty