Surface-ground and hardened tool steel bars come in ten different thicknesses and are highly recommended by agency armorers and leading pistolsmiths for their precision in eliminating vertical slide play in the 1911 Auto, its variations and replicas. While this method may take more time compared to quicker techniques, it delivers a much more accurate and professional result. The basic procedure involves measuring the thickness of the gun's slide rail, selecting the slide fitting bar that closely matches this measurement, placing the bar in the frame's "way," and gently tapping the frame rail with a light hammer to adjust the "way" space to match the slide rail thickness. Comprehensive instructions are provided to guide users through the process.

• Steel subjected to controlled heating and cooling processes to enhance mechanical properties such as strength, hardness and durability
• Precision-engineered stainless steel linear motion guide bar