Description
The Weaver Gunsmith Multi-Bit Tool Kit is the mid-level 77-piece set that lands in the sweet spot for most gun owners. It's a real step up from the basic compact kit thanks to a much larger spread of flathead bits, which is where most firearm work lives. If you've ever stripped a screw because your household screwdriver was a hair too narrow, you already know why that matters. A properly fitting hollow-style bit sits flush in the slot and turns the screw instead of chewing it up.
What You Get in the Weaver Multi-Bit Kit
The heart of this set is a magnetic-tipped hex bit driver with a soft, ergonomic handle that stays comfortable when you're leaning into a stubborn base screw. The magnet holds bits in place so you're not fishing them out of a receiver, and the included extension gets you into deeper or awkward spots. Everything rides in a hard-plastic latched case with a spot for each piece, so you can see at a glance if a bit went missing before you close the lid.
Where the Weaver Gunsmith Tool Kit Earns Its Keep
Scope mounting is the job this kit was practically made for, with the right flat and hex bits on hand to snug down ring and base screws to a consistent feel. Beyond optics, it covers grip screws, trigger guard screws, action screws, and the everyday tinkering that comes with owning firearms. Folks who've run this set for years report the driver points hold up without chipping, and more than a few have used it well outside the gun world on guitars and general repair work.
For a home bench or a range bag, this is a lot of capability in a compact package. If you want the next tier up with a hammer, punch set, and bench block, that's Weaver's 88-piece deluxe kit, but the 77-piece covers the vast majority of what a shooter needs day to day.
Key Specifications
- Manufacturer: Weaver
- Manufacturer Part Number: 849718
- UPC: 076683897183
- Piece Count: 77 pieces
- Kit Level: Mid-Level
- Driver Type: Magnetic-tipped hex bit driver with ergonomic handle
- Bit Assortment: Large selection of flat and hex bits for varied screw heads
- Case: Hard-plastic latched storage case
- Primary Use: Scope mounting and firearm maintenance
- Color: Green
- Shipping Weight: 3.11 lbs
What’s Included
- Magnetic-tipped hex bit driver with ergonomic handle
- 77-piece assortment of flat and hex gunsmithing bits
- Lengthening extension attachment for hard-to-reach screws
- Hard-plastic latched storage case
Frequently Asked Questions
What can the Weaver Multi-Bit Tool Kit be used for?
It's built for scope mounting and routine firearm maintenance, covering ring and base screws, grip screws, action screws, and trigger guard hardware. The 77-piece bit spread means you'll usually find one that fits the slot correctly instead of forcing a close-enough screwdriver. Plenty of owners also reach for it on non-firearm projects like guitar and general repair work.
How is the 77-piece kit different from the compact and deluxe Weaver kits?
This mid-level kit adds a much larger assortment of flathead bits than the entry-level compact set, which handles a wider variety of screw heads. The step above it is the 88-piece deluxe kit, which throws in a hammer, punch set, and bench block for more advanced work. For most home gunsmithing and optics installs, the 77-piece hits the right balance.
Does the Weaver Gunsmith Multi-Bit Tool Kit come with a case?
Yes, all 77 pieces store in a hard-plastic latched case with a dedicated slot for each bit. That layout makes it easy to spot a missing piece before you pack up, and the latch keeps everything secure whether it lives on your bench or travels to the range.
Will these bits fit tight firearm screws without stripping them?
The kit's variety is the point, since a bit that seats flush in the slot turns the screw rather than rounding it out. Long-term users note the driver points tend to hold up without chipping when treated right. Matching the bit width and thickness to the screw is the key to avoiding buggered hardware.




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