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EGW
The EGW CZ 457 11mm one-piece Picatinny base with 20 MOA elevation is a precision scope mount engineered for shooters extending their effective range beyond the 500-yard mark. Built for the CZ 457 rimfire platform, this American-made mount gives you the angled platform needed to dial in accurate shots at distance while maintaining usable zero at practical hunting and target ranges. The 20 MOA elevation angle works in concert with your scope's turrets, effectively extending your elevation adjustment range and making long-range rimfire shooting more intuitive and repeatable.
EGW machines each mount from solid material using their own CNC equipment, then tumbles, sand blasts, and Type III hard-anodizes the finished product for a durable, corrosion-resistant finish that stands up to field use. The full-length Picatinny rail with cross slots gives you flexibility in how you mount scope rings and where you position your optic along the base. Whether you're running 30mm or 34mm rings, or mixing in other Picatinny-compatible accessories, the rail layout gives you genuine mounting options rather than a fixed, one-size setup.
Compatibility with both Picatinny and Weaver-pattern scope rings means you aren't locked into a single ring manufacturer. The 11mm dovetail interface mates directly to your CZ 457, and the substantial one-piece design minimizes flex and movement—critical for maintaining zero shot after shot. Installation requires basic attention to detail: torque screws to 20 inch-lbs and apply a small amount of blue Loctite (sold separately) to prevent loosening. EGW includes all hardware, an installation wrench, and professional packaging, with everything manufactured in the USA.
The 20 MOA recommendation applies when you're consistently shooting beyond 500 yards. If your shooting stays under 500 yards, a 0 MOA base is the better choice. Zero your rifle at 200 yards with this mount to get the best performance across your intended range.
| Brand | EGW |
| Rifle Compatibility | CZ 457 |
| Mount Type | One-piece Picatinny base |
| Dovetail Size | 11mm |
| Elevation | 20 MOA |
| Rail Style | Picatinny (full-length with cross slots) |
| Ring Compatibility | Picatinny and Weaver pattern |
| Finish | Type III hard anodized |
| Installation Torque | 20 inch-lbs |
| Made In | USA |
Yes. The EGW Picatinny base works with both Picatinny and Weaver-pattern scope rings, giving you flexibility in ring selection.
Use the 20 MOA base if you plan to shoot consistently beyond 500 yards. For hunting and shooting within 500 yards, a 0 MOA base is the more practical choice. The 20 MOA elevation angle extends your scope's usable adjustment range for longer distances.
EGW recommends 20 inch-lbs of torque and a small drop of blue Loctite. Loctite is sold separately and helps prevent the screws from backing out under recoil or handling.
EGW recommends zeroing your rifle at 200 yards when using the 20 MOA base for optimal performance across your intended shooting range.
EGW
The EGW CZ 457 11mm one-piece Picatinny base with 20 MOA elevation is a precision scope mount engineered for shooters extending their effective range beyond the 500-yard mark. Built for the CZ 457 rimfire platform, this American-made mount gives you the angled platform needed to dial in accurate shots at distance while maintaining usable zero at practical hunting and target ranges. The 20 MOA elevation angle works in concert with your scope's turrets, effectively extending your elevation adjustment range and making long-range rimfire shooting more intuitive and repeatable.
EGW machines each mount from solid material using their own CNC equipment, then tumbles, sand blasts, and Type III hard-anodizes the finished product for a durable, corrosion-resistant finish that stands up to field use. The full-length Picatinny rail with cross slots gives you flexibility in how you mount scope rings and where you position your optic along the base. Whether you're running 30mm or 34mm rings, or mixing in other Picatinny-compatible accessories, the rail layout gives you genuine mounting options rather than a fixed, one-size setup.
Compatibility with both Picatinny and Weaver-pattern scope rings means you aren't locked into a single ring manufacturer. The 11mm dovetail interface mates directly to your CZ 457, and the substantial one-piece design minimizes flex and movement—critical for maintaining zero shot after shot. Installation requires basic attention to detail: torque screws to 20 inch-lbs and apply a small amount of blue Loctite (sold separately) to prevent loosening. EGW includes all hardware, an installation wrench, and professional packaging, with everything manufactured in the USA.
The 20 MOA recommendation applies when you're consistently shooting beyond 500 yards. If your shooting stays under 500 yards, a 0 MOA base is the better choice. Zero your rifle at 200 yards with this mount to get the best performance across your intended range.
| Brand | EGW |
| Rifle Compatibility | CZ 457 |
| Mount Type | One-piece Picatinny base |
| Dovetail Size | 11mm |
| Elevation | 20 MOA |
| Rail Style | Picatinny (full-length with cross slots) |
| Ring Compatibility | Picatinny and Weaver pattern |
| Finish | Type III hard anodized |
| Installation Torque | 20 inch-lbs |
| Made In | USA |
Yes. The EGW Picatinny base works with both Picatinny and Weaver-pattern scope rings, giving you flexibility in ring selection.
Use the 20 MOA base if you plan to shoot consistently beyond 500 yards. For hunting and shooting within 500 yards, a 0 MOA base is the more practical choice. The 20 MOA elevation angle extends your scope's usable adjustment range for longer distances.
EGW recommends 20 inch-lbs of torque and a small drop of blue Loctite. Loctite is sold separately and helps prevent the screws from backing out under recoil or handling.
EGW recommends zeroing your rifle at 200 yards when using the 20 MOA base for optimal performance across your intended shooting range.
