I really could use some clarification, some of the comments say this is the 3 millimeter walls and some say it's the one 1.5mm. Which one is this?

Since you didn't specify whether you're looking at the 4 ft. blowpipe or the 5 ft. blowpipe, I can't really say what 'this' is. But I can tell you that the 4 ft. blowpipe is the heavier wall tube and the 5 ft blowpipe is the thinner wall tube.

How large of an animal will this put down?

With extremely good accuracy and skill with this blowgun, you could take down game as large as a deer, however this is something I would not attempt unless you were very very adept and it was legal. For me I wouldn’t shoot anything large than a crow or squirrel.

Is this able to shoot .40 cal darts or does cold steel make a .40 cal blowgun

I don't know if the .357 will shoot .40 cal darts, but given the measurements, I would guess and say no because of the size; I own a Cold Steel .357 and .625, as far as I know, these are the only two blowguns sizes that Cold Steel makes.

Will the two foot extension fit on this?

As long as it’s not a Pro version, yes. You can expect around a 9 fps (for 5’ blowgun) to 16 fps (for 4’ blowgun) velocity increase.

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Big Bore Blowgun Kit - Includes Darts and Dart Quiver, Two-Piece Blowgun Black, 5'

Big Bore Blowgun Kit - Includes Darts and Dart Quiver, Two-Piece Blowgun Black, 5'

Product ID: 24767921

Details

Air Gun Power Type
Manual
Barrel Material Type
Aluminum
Brand
Cold Steel
Caliber
625
Color
Black
Frame Material
Aluminum

🎒36-dart quiver included

🎯20+ yard effective range

🛠️1.5mm thick aluminum barrel

$148.03

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Description

🎯 Master the art of silent precision with Cold Steel’s Big Bore Blowgun!

COMPLETE KIT - Includes mouthpiece, rubber ferrule, quiver, and 36 specialized darts
HEAVY DUTY BUILD - Durable 1.5mm aluminum barrel for consistent performance
PORTABLE VERSATILE - Two-piece 5' design for easy transport and all-weather use
SILENT HUNTING POWER - Take small game quietly without risk of over-penetration
PRECISION AT DISTANCE - Hit a 2-inch target at 20+ yards with expert accuracy

The Cold Steel Big Bore Blowgun Kit features a robust 5-foot, 625 caliber aluminum barrel with 1.5mm wall thickness, delivering heavy-weight darts up to 20 yards with pinpoint accuracy. This complete set includes a mouthpiece, rubber ferrule, dart quiver, and 36 darts (stun, mini broadhead, and bamboo), making it perfect for silent small game hunting or target practice indoors and outdoors. Lightweight and portable, it’s designed for serious enthusiasts seeking precision, durability, and versatility.

Specifications

ASIN	B017KM3SQI
Air Gun Power Type	Manual
Barrel Material Type	Aluminum
Best Sellers Rank	#291,253 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #630 in Darts
Brand Name	Cold Steel
Caliber	625
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (517)
Frame Material Type	Aluminum
Global Trade Identification Number	00705442012238
Included Components	Archery, products
Item Type Name	Big Bore 2 Piece Blowgun
Item Weight	1.3 Pounds
Manufacturer	GSM LLC
Manufacturer Part Number	B6255TZ
Model Name	Cold Steel Two Piece Blowgun
Model Number	B6255TZ
Rounds	6
UPC	705442012238
Unit Count	1.0 Count
Warranty Description	Knives & Blades: We stand behind our products 100%. We subject them to the highest standards in the industry and strive to make each as perfect as possible. We warrant that this product is free of defects in workmanship and materials. This warranty does not cover normal wear and tear, resharpening, damage caused by misuse, lack of normal maintenance, or disassembly. Remember, anything can break or…

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$148.03

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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