Bearpaw Penthalon Slimline Black
- Apr 3
- 1 min read
The Bearpaw Penthalon Slimline Black arrows, known simply as Penthalons, have gained attention among outdoor archers, 3D archers, and barebow shooters who seek reliable, cost-effective arrows that withstand tough conditions.

Penthalon Specifications
Outer Diameter: 7.8 mm
Inner Diameter: 6.2 mm
Material: Carbon composite
Weight Range: 350 to 400 grains (depending on spine and components)
Available Spine Sizes: 300, 340, 400, 500, 600, 700, 800, 900, 1000
Finish: Matte black with slimline design for reduced wind drift
Cost and Durability
These shafts are at the mid-lower price range but i'd say they are worth the money. But forget the cost, the main thing you need to know about is the durability.
On a 3D course, they don't hold up that badly if you are careful. We've had mushrooming at the points and the odd nock coming off. No real issues with the 'side wall' or nock end, most of our issues came at point. We are using break off points from Bearpaw, epoxied in. But at the end of the day these are slimline shafts, they are going to break more often than not if hitting the steel of a 3D target. Overall, I'd say they are worth the price and especially if using them for kids' bows, since they go up to 1600 spine... very handy.

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