Richmond, VA. (August 14th, 2026) – German Precision Optics(GPO USA) proudly announces the GPO SetbackÔ Cantilever 3” extension mount designed for compact tactical 30mm riflescopes. This design allows compact riflescopes to be mounted up to either 3” forward or rearward, depending on what the optical system requires for optimal eye relief.
“This new mount is a must for compact riflescope users,” said Mike Jensen, Owner and CEO of GPO, USA. “Most riflescope mounts push optics forward. Compact tactical scopes often require the opposite. The GPO SetBack™ allows you to bring the optic rearward, allowing shooters to achieve proper eye relief, faster target acquisition, and a more natural head position behind the rifle. The result is improved comfort, a full sight picture, and maximum performance from today’s compact precision optics.”
The GPO SetBack™ 3” cantilever was designed and engineered specifically for today’s ultra-compact tactical optics. While compact scopes offer significant advantages in weight, balance, and handling, their shorter main tube length often limits mounting flexibility and can place the optic too far forward for proper eye relief. The SetBack solves this problem by moving the scope mounting position up to 3 inches rearward, allowing shooters to achieve a full field of view and a comfortable shooting position without compromising rail engagement or mounting security. The GPO SetBack™ ensures your optic sits exactly where it should, closer or further to your eye and ready for maximum performance.
This ingenious extension mount is precision machined from a single billet of aircraft-grade aluminum. The unique one-piece mount delivers exceptional rigidity, precise ring alignment, and dependable return-to-zero performance under heavy recoil and demanding in-the-field conditions. Although 1-piece, it has extremely narrow ring gap, less than 2.5”, made specifically for scopes with extremely limited mounting surface (ie the GPO CENTURI Super-Compact series). Designed for riflescopes with a 30mm main tube, the SetBack features four hardened steel Allen-head cross-bolts that provide a secure, repeatable attachment to any Mil-Std 1913 Picatinny rail.
Premium features include:
• Positions the scope up to 3” rearward or forward for optimal eye relief
• Designed for 30mm main tube riflescopes
• One-piece precision-machined aircraft-grade aluminum construction
• Four hardened steel Allen-head cross-bolts for maximum mounting security
• Mil-Std 1913 Picatinny rail compatible
• Optimized for compact tactical optics
• Improves eye relief and shooting comfort
• Hard-anodized matte black finish
• Maintains strength, alignment, and zero retention under recoil
The GPO SetBackÔ retails for $89.99 and will be available through authorized GPO dealers nationwide and online at www.gpo-usa.com.
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