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Bear OPS B-400-AICF-S Bear Song IV Butterfly Knife 4-3/8"" Satin Plain Blade, Aluminum Handles - 35017

Customer Reviews 4.333 Read 3 reviewsWrite a Review
Part Number: BCB400AICFS
Manufacturer: Bear OPS
Retail Price: $145.00
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BCB400AICFS: B-400-AICF-S Bear Song IV
Bear OPS
Bear Ops (and their parent company Bear and Sons) makes good quality, but affordable, butterfly knives. Generally their flies are black or silver--muted tactical stuff. They got a wild hair this time and brought out a range of them in fun to flip colors for a change of pace!
Bear OPS butterfly knife with satin finished 14C28N blade and drilled out aluminum = handles with a carbon fiber finish. It's got a smooth locking latch and is put together entirely with torx screws.
  • 304 bearing surface pivots
  • Phosphorus bronze washers
  • 400 series stainless spacers
  • Proudly made in Alabama USA
  • Blade Length: 4-3/8"
  • Length Closed: 5-7/8"
  • Edge Length: 3-3/4"
  • Overall Length: 9-7/8"
  • Blade Type: Bowie Clip
  • Blade Material: 14C28N Stainless Steel
  • Handle Material: Coated (Carbon Fiber) T6 Aircraft Aluminum
  • Weight: 4.3 oz.
  • Made in USA
Aluminum Handles
Aluminum Handles
A solid, lightweight material that can be molded, textured or anodized to provide better grip under extreme conditions.
Made in USA
Made in USA
This product is USA born and raised.
4.333 (3 reviews)
4.3 out of 5 stars
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3 out of 5
Rockford, IL
Jul 18, 2015
Pros: Overall Quality, Blade Material, Blade Sharpness
Cons: Ease of Opening, Handle Material, None
Some Loctite Required
Buttery smooth opening and pretty good quality. Blade came razor sharp and even after cutting through some aluminum cans, it's still sharp. The biggest issue though was how loose the screws were. Just flipping it around loosened the screws eventually. When the screws came out, I noticed Bear Ops had applied some Blue Loctite. Clearly not enough. So I put some Red Loctite in each of the screws. Flips perfectly now, at least it did until a friend of mine dropped it. Now I have to redo one screw.
5 out of 5
Nov 11, 2014
Pros: Overall Quality, Lock Type, Ease of Opening, Blade Material, Handle Material, Lock Ease of Use, Blade Sharpness, Weight, Sheath, Handle Feel, Pocket Clip
Cons: None
Best bear song ever made this thing is excellent very good quality butterfly knife good job bear song keep it, coming
5 out of 5
Oct 28, 2014
Pros: Overall Quality, Blade Sharpness, Handle Feel, Weight, Ease of Opening
Cons: None
This thing is sweet!!
The blade came super sharp and I love the weight of it when I'm flipping it.
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