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Bear OPS Bear Song IV Balisong Butterfly Knife (3.38 Inch Bead Blast Tanto Plain Blade) Blue Aluminum Handle BCB410ALBDAP

Retail Price: $161.99
Oso Grande Price: $120.95
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BCB410ALBDAP: Bear-Song IV B-410-ALBD-AP Armor Piercing Butterfly Tanto
Bear Ops Knives

The Bear OPS Bear-Song IV butterfly knife designed by BladeRunners has a chisel ground 14C28N Sandvik stainless steel tanto blade with a bead blast finish and a double tang pin design for great performance. This B-410 model has lightweight T6 aluminum handles that are Skeletonized and finished with a blue raindrop finish. The pivots have 304 bearing surfaces and phosphorus bronze washers. It has a smooth locking swappable latch and is put together entirely with Torx screws and stainless steel spacers.

Bear & Son Cutlery is a family owned company started in 1991 with the mission of manufacturing the "best knives made in the USA" at their fully contained 41,000 sq ft facility in Jacksonville, Alabama. Because Bear & Son takes their obligation of duty and to our country very seriously, their goal is to manufacturer the best tactical knives available for those who serve. Bear OPS knives are made with (OPS) Operational Precision for Superior Tactical Knives that can be relied on for any situation.


  • Overall Length: 9.75 in.
  • Blade Length: 3.375 in.
  • Cutting Edge: 3.25 in.
  • Blade Thickness: 0.13 in.
  • Blade Material: 14C28N Sandvik Stainless Steel
  • Blade Hardness: 58-60 HRC
  • Blade Style: Tanto
  • Blade Grind: Hollow Ground
  • Blade Finish: Bead Blast
  • Edge Type: PlainEdge
  • Handle Length: 5.375 in.
  • Handle Thickness: 0.53 in.
  • Handle Material: Milled T6 Aircraft Aluminum
  • Color: Blue
  • Weight: 4.40 oz.
  • Knife Type: Butterfly
  • Opening Mechanism: Flip
  • Locking Mechanism: Latch Lock
  • Carry Method: Pocket
  • Designer: BladeRunners and Bear Ops Collaboration
  • Brand: Bear Ops
  • Model: Bear Song IV
  • Model Number: B-410-AIBD-AP
  • Made in USA

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I purchased two sets of these exceptionally priced and well made cutlery sets to give as Christmas gifts. I was very pleased with the overall quality of both the knives and the block. However, even more exceptional was the customer service provided by Bibiana when my shipment was stalled by a production slowdown. She provided super communication and kept everything on an even keel up through delivery. I couldn't ask for a better transaction.
--Mike - Ashville, NC