2026 Latest GLOCK GBB Pistol Series Fully Licensed & Authorized Manufacturing by GLOCK (Umarex) Realistic 1:1 Replica with Original RS Glock 45 MOS with Full Markings MOS Version (Modular Optics System), Comes with 4 Optic Plates Length & Width are identical to the RS Glock 45 MOS, Allowing Compatibility with RS Holsters Gen5 Style Beveled Corners on Front for Fast and Easy Re-Holstering Gen5 Style Front & Rear Serrations Gen5 Style Finger Groove-less Grip Frame Gen5 Integrated Magwell on Grip Frame GLOCK Standard U-Notch Sight System Ambidextrous Slide Stop Lever Side Swappable Magazine Release Button Blacked Out Inner Barrel for Realistic Visuals VFC Patented "GuideHop" Quick Hop-up Adjustment System Integrated Dummy Extractor with Slide (One Piece) Hammer Set Assembly Features Self-lubricating Surface Treatment Simulated Bullet Nozzle Design Increased Cylinder Size for 30% More Felt Recoil Impulse This product is only compatible with gas designed specifically for Airsoft guns. Do not use lighter fluid or butane gas, as that will cause permanent damage.