MJR Tumblers
MJR 40 lb large-base rock tumbling kit
Forty-pound nominal large-base MJR kit with grit and plastic pellets.

Price info
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Use and fit
Choose this kit if you need both the wide base and the large drum. The pictured assortment includes abrasive stages and filler, so it differs from buying the forty-pound barrel alone. Check space, roller clearance and the weight of a filled vessel before setting up the station.
Specifications
- Brand
- MJR Tumblers
- Listed model
- MJR40pkit
- Verified detail
- Forty-pound nominal large-base MJR kit with grit and plastic pellets.
Questions before buying
Does this include just the large drum?
The kit shows the base, the forty-pound vessel and separate grit and filler packets. Confirm the space and loaded weight before installing it.
Compare before you buy
The barrel-only option suits buyers with the correct base already in place. MJR 40 lb polymer replacement barrel