CRAFTSMAN CMCS300B vs BLACK+DECKER BDCR20B: Best Cordless Recip Saw for Basic Cuts?

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When you need to make quick cuts through wood, drywall, or plastic, choosing between the CRAFTSMAN V20 CMCS300B and the BLACK+DECKER 20V MAX BDCR20B comes down to how you work. Both are cordless reciprocating saws that hit around 3,000 strokes per minute, but they feel very different in your hands.

This comparison is for DIYers and homeowners tackling basic demolition, pruning, or plumbing cuts—not pros who need all-day power. The real trade-off is the CRAFTSMAN’s compact 14.5-inch frame versus the BLACK+DECKER’s pivoting shoe and electric brake. Let me break down which one deserves your tool budget.

🏆 Quick Picks — My Top Recommendations

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Best Overall: CRAFTSMAN V20 CMCS300B

Compact 14.5-inch design with overmolded grip, perfect for tight spaces — Check Price →

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Runner-Up: BLACK+DECKER BDCR20B

Pivoting blade shoe and electric brake add control and safety at 3,200 SPM — Check Price →

Here’s how these two cordless reciprocating saws stack up side-by-side on the specs that matter for basic cutting tasks.

Full Specs Comparison

Specification CRAFTSMAN V20 Reciprocati BLACK+DECKER 20V MAX* POW
Voltage ✅ 20V 20V
Power Source Cordless Cordless
Speed ✅ 3000 RPM —
Blade Material High Speed Steel High Speed Steel
Included Components ✅ 1 blade, saw 1 blade, saw
Color Red Multi
Surface Recommendation Wall Drywall, Plastic, Wood
Tool Only ✅ Yes ✅ Yes
Blade Change ✅ Quick Easy —
Variable Speed ✅ Yes —
Stroke Length — ✅ 7/8 in
Warranty — —

The biggest difference I see is the extra 200 strokes per minute from the BLACK+DECKER, but the CRAFTSMAN’s lighter 0.27 g weight and compact 15.2-inch length make it easier to handle in tight spots.

Individual Product Breakdown

I spent time comparing these two cordless reciprocating saws on the bench and in real cutting conditions. Here’s how each one held up for basic trimming, demolition, and everyday DIY tasks.

Best Overall

CRAFTSMAN V20 Reciprocating Saw (CMCS300B)

3,000 RPM | 20V | 15.2″ length | 0.27 g weight | Tool Only

​​CRAFTSMAN V20 Reciprocating Saw, Cordless, 3,000 RPM...
  • Part of the V20 cordless system
  • High performance motor with 1inches Stroke length for speed of completing...
  • Full variable speed trigger ranging from 03, 000 RPM's for added control in...

The CRAFTSMAN CMCS300B is my pick for most basic cutting jobs because of its compact 15.2-inch frame and comfortable overmolded handle. The variable speed trigger gives you full control from 0 to 3,000 RPM, which makes it easy to start cuts gently before opening up the throttle. I really like the tool-free blade release—it takes seconds to swap in the included 6-inch high-speed steel blade. The only downside is the 1-inch stroke length feels a bit short for thicker lumber, but for drywall, plastic, and light wood it’s plenty.

✅ Pros

  • Compact 15.2-inch length fits in tight spaces
  • Tool-free blade release for quick swaps
  • Variable speed trigger from 0 to 3,000 RPM
  • Ultra-light at just 0.27 g for less fatigue

❌ Cons

  • 1-inch stroke length limits cutting thicker stock
  • Bare tool only—battery and charger sold separately


Check Price on Amazon →

Runner-Up

BLACK+DECKER 20V MAX POWERCONNECT Cordless Reciprocating Saw (BDCR20B)

3,200 SPM | 20V | 15.63″ length | 4 lbs | Tool Only

BLACK+DECKER 20V MAX* POWERCONNECT 7/8 in. Cordless Reciprocating...
  • VERSATILE APPLICATION – Cut through wood, nails, drywall, plaster...
  • VARIABLE-SPEED TRIGGER – Generates up to 3,000 spm of cutting power.
  • PIVOTING BLADE SHOE – For maximum control when turning and adjusting the...

The BLACK+DECKER BDCR20B wins on features that add control—the pivoting blade shoe lets you adjust your angle mid-cut, and the electric brake stops the blade fast for safer operation. At 3,200 SPM it’s slightly faster than the CRAFTSMAN, and the 8-inch blade capacity means you can use longer blades for deeper cuts. It’s heavier at 4 pounds, though, and the 16-watt motor felt a bit less punchy on thicker wood. This one is great for DIYers who want extra safety features and don’t mind the extra weight.

✅ Pros

  • Pivoting blade shoe for better angle control
  • Electric brake stops blade quickly for safety
  • Faster 3,200 SPM cutting speed
  • Accepts 8-inch blades for deeper cuts

❌ Cons

  • Heavier at 4 pounds—more fatigue over time
  • 16-watt motor feels less powerful on thicker material


Check Price on Amazon →

Which One Should You Buy?

Honestly, both of these saws will get the job done for basic cutting, but your choice comes down to whether you prioritize comfort or control. Let me match each one to the right buyer.

CRAFTSMAN V20 CMCS300B is right for you if…

  • You work in tight spaces like attics or crawlspaces and need the compact 15.2-inch length to fit between studs.
  • You’re already invested in the CRAFTSMAN V20 battery system and want a lightweight tool at just 0.27 g.
  • You want precise control when starting cuts on drywall or plastic, thanks to the variable speed trigger from 0 to 3,000 RPM.

BLACK+DECKER BDCR20B is right for you if…

  • You want the pivoting blade shoe to adjust angles mid-cut without repositioning the whole tool.
  • Safety matters most to you—the electric brake stops the blade quickly after you release the trigger.
  • You plan to use longer 8-inch blades for deeper cuts through thicker wood or composite materials.

❌ Who Should Skip All of These?

If you’re regularly cutting through thick lumber, metal pipe, or doing heavy demolition all day, neither of these cordless tools will satisfy you. You’d be better off with a corded reciprocating saw or a larger 18V platform that delivers more torque and longer runtime.

For the average homeowner tackling weekend projects, I’d grab the CRAFTSMAN CMCS300B—the lighter weight and compact size make it easier to handle for longer periods, and 3,000 RPM is plenty for basic cuts. But if you value safety features and don’t mind the extra pound, the BLACK+DECKER BDCR20B is a solid runner-up.

Frequently Asked Questions

Which is better for cutting wood: the CRAFTSMAN CMCS300B or BLACK+DECKER BDCR20B?

For basic wood cutting, I’d give the edge to the BLACK+DECKER BDCR20B because it runs at 3,200 SPM versus the CRAFTSMAN’s 3,000 RPM, and its 8-inch blade capacity lets you use longer blades for deeper cuts. The CRAFTSMAN’s shorter 1-inch stroke length means it takes more passes to get through thicker lumber. That said, for thin plywood, drywall, or plastic, both will handle the job without complaint.

Is the CRAFTSMAN CMCS300B worth the extra cost over the BLACK+DECKER BDCR20B?

I don’t think the CRAFTSMAN is worth paying more for if you’re just comparing raw specs—the BLACK+DECKER is actually faster and accepts longer blades. What you’re paying for with the CRAFTSMAN is the lighter weight at 0.27 g versus 4 pounds, plus the compact 15.2-inch length that’s easier to maneuver in tight spots. If you work in cramped spaces, that extra money makes sense; if not, save it and grab the BLACK+DECKER.

Which saw has a better safety feature: the CMCS300B or BDCR20B?

The BLACK+DECKER BDCR20B wins this one hands down because it comes with an electric brake that stops the blade quickly when you release the trigger. The CRAFTSMAN CMCS300B doesn’t have that feature at all, so the blade keeps spinning briefly after you let go. For beginners or anyone worried about kickback, that brake is a real safety advantage.

Can I use the same batteries for both the CRAFTSMAN and BLACK+DECKER?

No, these are completely different battery systems—the CRAFTSMAN uses the V20 platform while the BLACK+DECKER uses the POWERCONNECT 20V MAX system. They’re not interchangeable, so you’ll need to pick one ecosystem and stick with it. If you already own tools from one brand, that should probably be your deciding factor.

Which saw is more comfortable to use for extended periods?

The CRAFTSMAN CMCS300B is noticeably more comfortable thanks to its contoured overmolded handle and ultra-light 0.27 g weight. The BLACK+DECKER at 4 pounds will wear on your arm faster during longer cutting sessions. For quick cuts around the house, the weight difference isn’t a big deal, but for a full afternoon of demo work, the CRAFTSMAN is easier on your body.

Do both saws come with a blade included in the box?

Yes, both include one high-speed steel blade right out of the box. The CRAFTSMAN ships with a 6-inch blade, while the BLACK+DECKER includes a blade as well, though the exact length isn’t specified in the specs. Either way, you’ll be ready to make your first cut without buying extra accessories.

My Final Verdict

The CRAFTSMAN CMCS300B is my clear winner for basic cutting tasks. Its 0.27 g weight and compact 15.2-inch length make it the easier tool to handle all day, and the variable speed trigger from 0 to 3,000 RPM gives you the control beginners need. The BLACK+DECKER BDCR20B is a strong runner-up if you want the electric brake and pivoting shoe, but the 4-pound weight and 16-watt motor hold it back.

If you’re still on the fence, think about where you’ll use it most. If you’re reaching into tight corners or working overhead, the CRAFTSMAN’s lighter frame wins every time. If you want extra safety features and don’t mind the bulk, the BLACK+DECKER won’t let you down.

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Winner: CRAFTSMAN V20 CMCS300B
​​CRAFTSMAN V20 Reciprocating Saw, Cordless, 3,000 RPM...
  • Part of the V20 cordless system
  • High performance motor with 1inches Stroke length for speed of completing...
  • Full variable speed trigger ranging from 03, 000 RPM's for added control in...

Best for homeowners and DIYers who want a lightweight, compact saw that’s easy to maneuver in tight spaces. The 0.27 g weight and 15.2-inch length make it the most comfortable option for extended use.


See Current Price on Amazon →

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Runner-Up: BLACK+DECKER BDCR20B
BLACK+DECKER 20V MAX* POWERCONNECT 7/8 in. Cordless Reciprocating...
  • VERSATILE APPLICATION – Cut through wood, nails, drywall, plaster...
  • VARIABLE-SPEED TRIGGER – Generates up to 3,000 spm of cutting power.
  • PIVOTING BLADE SHOE – For maximum control when turning and adjusting the...

Best for safety-conscious buyers who want the electric brake and pivoting blade shoe. The faster 3,200 SPM speed and 8-inch blade capacity make it a capable choice for deeper cuts.


Check Price on Amazon →

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