No. C210 Set Headspace and Cylinder Endfloat Headspace is checked and set as required. Cylinder endfloat is set to the minimum consistent with free rotation and the condition of the receiver. Please note that the barrel-to-cylinder gap may have to be set if excessive (cat. no. C220). Please note also that this modification also describes the installation of a cylinder.

C210 $50.00

No. C220 Set Barrel-to-Cylinder Gap Set at .005-.006. Includes refitting the ejector housing and recutting the forcing cone. Excess cylinder endfloat and headspace, if not corrected, may require a longer gap. In some cases, the cylinder must be faced square to maintain a consistent gap. This procedure is also properly cited for installing a barrel.

C220 $95.00

* No. C230 Hone/ream Cylinder Throats and Necks Occasionally, revolver cylinders may be manufactured with undersize throats or necks (or both), a condition harmful to accuracy and prone to cause leading unless corrected.

C230 $75.00

No. C240 Regulate Sights Colt-single action revolvers rarely shoot to point of aim. Sights are filed and barrels turned to adjust regulation. Black Hills factory traditional style ammunition is used as far as possible in order to provide a useful standard. Please note that this service does not include metalwork necessary to correct short or cut front sights. Windage only adjustment is cat. no. C241.

C240 (windage and elevation) $95.00
C241 (windage only) $65.00

No. C300 Shorten Factory Barrels As far as possible, we recommend the installation of new, shorter barrels. Otherwise, this is not the simple job that it seems. It requires considerable time done properly in the factory style and is charged accordingly. Available in all standard lengths and includes polishing and rebluing. ‘New Frontier’ model barrels require our own custom front sight. For barrels cut to 4 inches, please cite No. 301 Includes drilling/tapping new tube screw hole and shortening the tube, ejector rod, spacing and base pin (not available for 4 3/4" barrels). We also recommend sight regulation per. No. C240.

C300 from $225.00
C301 from $325.00

* No. C310 Fabricate and Install Custom Barrel Our barrels are made from high quality Douglas barrel stock in most calibers. Some odd numbers, such as the .38-40, may require cut rifled material (slight extra charge). Colt style rounded crown and front sight is standard. Includes a silver soldered ejector housing stud, authentic markings and bluing. On ‘New Frontier’ models, we use our proprietary custom front sight. For pre-war style caliber rollmarks, add cat. no. C311.

C310 $595.00
C311 inquire

No. C320 Classic Colt Pattern Dovetail Front Sight Handsome, traditional base dovetails directly to the barrel and is drift adjustable for windage. Slotted for removable blades which can be made of various materials (including old coins) and cut to various shapes and heights. These cannot replace an existing front sight due to the conflict with the existing sight slot machined in the barrel and must be installed in conjunction with cat. nos. C300, C301 and C310.

C320 $195.00

* No. C330 Rechamber Factory Cylinder Cylinders may be rechambered to many of the usual Colt caliber offerings, a less costly option than a custom cylinder. The procedure allows for improved chamber and throat specifications which improve accuracy. The .38 Special and .357 Magnum cylinders are suited to any of the larger calibers, including the .38-40, .41 Colt, .44-40, .44 Russian, .44 Special and .45 Schofield. Contemporary .38-40 and .44-40 cylinders will accommodate .45 Colt chambers. Does not include the cylinder or fitting. Subject to availability of the parts.

C330 $175.00

No. C400 Provide/fit Factory Rubber Grips Precisely fitted and to the grip frame. For best possible results, grips should be fitted and polished on the gun prior to bluing and coloring. Please note that some grip frame contours may require grip modifications that, in turn, entail reshaping and recheckering, an additional charge.

C400 $295.00

No. C410 Color Case hardening Authentic, traditional receiver and loading gate finish. Includes disassembly, barrel removal, coloring and reassembly upon completion. Cat. no. C241 sight regulation is also recommended.

C410 $250.00
C411 color hammer with above $25.00

No. C420 Rebluing Hot salt blue of all parts except receiver. Pitted or damaged parts that require extensive filing and fitting will incur additional charges.

C420 from $125.00

No. C430 Black Powder Cylinder Chamfer Traditional style cylinder chamfer adds refinement to contemporary Colts. Includes reblue. Available for nickel plated guns a extra cost.

C430 $60.00

No. C440 Bisley Hammer Spur Conversion Devised for our light weight model but applicable to any Colt. Army style spur is removed and an elegant custom Bisley pattern spur is fabricated, welded on and shaped. Fine, recessed style knurling is applied and the hammer color hardened.

C440 $495.00