The Uncle Mike’s 115 Base Screws (brand part no. 25000) are a magnum band swivel screw set built to install or replace sling swivel studs on a rifle or shotgun stock. The set includes one standard QD 7/8″ machine screw base with matching nut, plus a 3/4″ rear wood screw base fitted with white spacers, giving you everything needed to mount a front and rear swivel stud on a wood or synthetic stock. Made by Uncle Mike’s, this base screw kit is a practical fix for a stripped stud, a stock refinish, or building out a new sling mounting point from scratch.

Key Specifications

• Kit contents include one QD 7/8″ machine screw base and nut for the front mounting point.
• Rear mounting hardware is a 3/4″ wood screw base with white spacers.
• Product type is a swivel stud base screw kit, not a complete swivel.
• Compatibility covers standard QD sling stud mounting points on wood or synthetic stocks.
• Shipping weight is listed at approximately 0.05 lbs.

Frequently Asked Questions

What does this kit include? One standard QD 7/8″ machine screw base with nut, and a 3/4″ rear wood screw base with white spacers.

Does this include a sling swivel? No — it’s base hardware for mounting swivel studs, sold separately from the swivels themselves.

What is it used for? Installing or replacing front and rear sling stud mounting points on a rifle or shotgun stock.

Buy the Uncle Mike’s 115 Magnum Swivel Base Screw Set

Get your stock sling-ready with genuine Uncle Mike’s mounting hardware. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and check out our full slings parts & accessories selection for matching swivels.