CRAFTSMAN V20 CMCS300B Cordless Reciprocating Saw
- Power Source: Battery
- Capacity: 6 inches
- Speed: 3000 RPM
- Material: High Speed Steel
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A capable 20V, 6 inch capacity saw for buyers already on Craftsman's battery platform, worth confirming whether a battery and charger are included.
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ASIN: B07KKHC784Model: CMCS300BCategory: Saws
Overview
A 20 volt battery platform and a 6 inch cutting capacity define the Craftsman CMCS300B, a saw with a high speed steel cutting edge, a listed speed of 3,000 per minute, and a weight of about 4.4 pounds.
Craftsman's V20 cordless lineup commonly sells versions under model numbers ending in B as bare tools, without a battery or charger included, so it's worth checking the listing to confirm exactly what ships with this one. The high speed steel cutting edge is chosen to hold up through repeated cuts rather than dulling quickly.
- 20 volt battery platform
- 6 inch cutting capacity
- 3,000 per minute operating speed
- 4.4 pound weight
Who it's for
DIYers and tradespeople already on Craftsman's 20 volt battery platform who need a 6 inch capacity saw for wood or light material cutting. Less suited to anyone without a compatible 20V battery, if this listing turns out to be a bare tool.
Pros and cons
- 6 inch cutting capacity
- High speed steel cutting edge
- Manageable 4.4 pound weight
- Model number suggests a bare tool
- Confirm battery and charger inclusion before ordering
Performance notes
The 6 inch cutting capacity and 3,000 per minute operating speed point to a saw sized for general wood and light material work rather than heavy demolition cutting, and the high speed steel edge is chosen for durability under repeated cuts. At 4.4 pounds it stays manageable for one handed use, though as with most 20V bare tools, run time depends entirely on whatever battery is paired with it.
Specifications
| Brand | CRAFTSMAN |
|---|---|
| Model | CMCS300B |
| Dimensions & fit | |
| Item Weight | 4.4 poundslower than 81% of 194 saws |
| Capacity & performance | |
| Capacity | 6 incheslower than 56% of 55 saws |
| Speed | 3000 RPM |
| Power & efficiency | |
| Power Source | Battery |
| Voltage | 20 voltslower than 53% of 197 saws |
| Motor Power | 20 watts |
| Construction & materials | |
| Material | High Speed Steel |
Closest rivals on specs
Frequently asked questions
Does the Craftsman CMCS300B include a battery?
Craftsman's V20 line commonly sells B suffix models as bare tools without a battery or charger, so confirm inclusions on the listing before buying.
What is the cutting capacity of the CMCS300B?
It's listed at 6 inches.
What material is the CMCS300B cutting edge?
High speed steel, per the listing's spec data.