The Birchwood Casey Basic Screwdriver Kit (brand part no. BSDS) is a 22-piece driver bit set covering the screw head profiles most common on firearms. Made by Birchwood Casey, it includes slotted, Phillips, Torx, and hex bits sized for sight screws, grip panels, scope rings, and general hardware, plus an extended bit for hard-to-reach fasteners. It’s a straightforward, entry-level kit for a home bench.

Key Specifications

• Slotted bits in 3mm, 4mm, 5mm, 6mm, and 7mm cover common flat-head screws.
• Phillips bits (PH1, PH2, PH3) handle standard cross-head hardware.
• Torx bits (T10, T20, T25, T30) cover the star-drive screws found on many modern optics and rifles.
• Hex bits from 2mm to 6mm round out the set for Allen-head hardware.
• An extended 50mm PH2 bit reaches recessed screws a standard-length bit can’t.

Frequently Asked Questions

Does this kit cover scope ring and base screws? The Torx and hex bit range in this set covers most common scope ring and base hardware.

Is this a step up from a basic multi-bit driver, or entry-level itself? This is the basic tier in Birchwood Casey’s screwdriver kit lineup; the Pro and Master sets step up in piece count.

Buy the Birchwood Casey Basic Screwdriver Kit

A 22-piece bit set like this covers the screws you’ll actually run into on a bench, without overbuying. Order it from our Lubbock, Texas gun shop for fast, direct shipping, and see more of our gunsmithing tools.