Burris Optics Fullfield E1 3X-9X-50mm Ballistic Plex Reticle Rifle Scope - Matte Black

• Posi-Lock is a coil-spring assisted retractable steel post that firmly and & securely locks accuracy into place.
• Purged at least 24 times with high quality, laboratory grade dry nitrogen. Each nitrogen cycle absorbs airborne and residual surface moisture that is evacuated from the scope
• Specially made quad seals to provide double insurance against leakageRecoil, water and fogproof tested