SD Putzzeug - Cleaning tool designed for the B&T SPC-9 SD, PDW SD, and SD-E
SD Putzzeug - Cleaning tool designed for the B&T SPC-9 SD, PDW SD, and SD-E
SD's get dirty fast
—it's part of the deal when running some of the baddest subguns on the planet. And while cleaning does need to be often, it no longer has to be tedious.
The SD Putzzeug enables you to leave the handguard on and clean everything underneath by stuffing the tool over the barrel and twisting. It uses 2 interchangeable birdcage-style heads, each loaded with 5 brushes/mops from the cleaning experts at Otis. Start with the brass head to break up the carbon, then finish with the mop head to swab it clean. The heads simultaneously clean the barrel, its ports, and suppressor mounted threads for all B&T SPC-9 SD models.
Product features
Product features
- Specifically designed for B&T SPC-9s, including the SD, PDW SD, and SD-E
- Cleans the barrel ports, external barrel, and suppressor mounting threads without removing the handguard (SD-E requires handguard removal).
- Includes two (2) interchange heads
- Brush head with five (5) Otis .270 cal. brass brushes
- Mop head with five (5) Otis .270 cal. cotton mops
- Nonmarring brass brushes allow for aggressive cleaning without damaging barrel finish or the fine suppressor mounting threads.
- Cotton mops can be soaked with solvent and washed with tap water or isopropyl alcohol.
- User-selectable and -serviceable brush configs—any combination of Otis .270 cal. brass, nylon, and cotton
- Head geometry locks and unlocks brushes/mops into their slot via 90° rotation
- Toolless head changes, finger tighten to friction lock
- Engineered as a tool for life—if you ever manage to break a head or handle, its replacement is on us.
Design Notes
Design Notes
The SD Putzzeug (German for "cleaning utensil") is additively manufactured using dissimilar polymers to handle the peak loads experienced by each component. The heads are made from extremely strong, heat- and solvent-resistant, carbon fiber-filled PPA, while the handle bears the inter-layer axial and sheer forces with tough, carbon fiber-filled PETG. Connecting the head and handle is a friction-locking conical shoulder that allows the head to remain secure and concentric during use. The custom threads connecting the two are designed around the optimal characteristics of each polymer, and they enable the friction lock to function from only finger-tightening. Wrench flats provide both a finger gripping surface and an unlocking surface in the event of overtightening. Lastly, the SD Putzzeug features the Lattice Tactical design motif of external isogrids, geometry optimized for strength-to-weight ratio and traditionally relegated to the aerospace industry.
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