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About JBL D8 Super Carbine Spear Gun (D-8)

Don't let the price tag fool you, the Carbine series delivers more bang for your buck than anything in its class. Just like its bigger brother, Carbines are constructed of 1" (25 mm) 6063 aerospace grade aluminum and feature high-strength stainless shafts and triggers. The Super Carbine D8 is powered by one 1/2" x 22" (13 mm x 559 mm) Hi-Mod band with 302 stainless steel wishbones. JBL's unique latex formulation and dip manufacturing process delivers radical modulus strength. The power curve increases as bands are stretched for optimum performance. Special anti-oxidants help protect against harmful U.V. rays, prolonging sling life. Gun has a low-profile, pistol grip handle that makes for easy target acquisition. So, if you want a spear gun that will bring home plenty of fish without breaking the bank, the Super Carbine fits the bill.

The Super Carbine comes equipped with the JBL741SB 41" (104 cm) Stainless 17-4 spring steel shaft with a 9/32" (7.11 mm) diameter, and is hand-tuned for alignment then heat-treated for maximum hardness to reduce flex and provide optimum energy transfer. Gun is equipped with a durable molded corrosion free ABS handle & muzzle, an overall length of 41" (104 cm) and has a 21' (6.4 meters) range. The JBLD-8 Super Carbine has a shaft with 6mm threaded shaft with a JBL847 Twin Barb Rock Point.

Tip is constructed of rugged stainless steel, JBL's fixed Spear points are a perfect blend of durability and performance. Each point is designed for low maintenance, dependability and most important results. 2-5/8" (67 mm) wing span this economical multi-purpose point is designed for increased holding power and 3/8" (9.5 mm) standard profile opens a large hole for easy passage of barbs through the fish, one shot is all you will ever need with this tip. Wing retainer allows for easy removal of fish. Point is for medium to small fish. A short-tapered, machine cut point provides enough muscle to withstand rock hits and still punch through skin and bone of even the toughest fish.

The JBL D8 Super Carbine Spear Gun (D-8) is commonly used for Small Prey, Warm Water and more. The JBL D8 Super Carbine Spear Gun (D-8) is most used by customers who consider themselves to be a Casual/ Recreational among others. The JBL D8 Super Carbine Spear Gun (D-8) is popular because customers like the following qualities of the JBL D8 Super Carbine Spear Gun (D-8): Accurate, Durable, Good Range, Lightweight, Low Recoil.

Warranty Information

This product has a limited warranty of 12 months.


JBL D8 Super Carbine Spear Gun (D-8) Features

  • JBL D8 Super Carbine Spear Gun (D-8)
  • Don't Let the Price Tag Fool You
  • Carbine Series Delivers More Bang for Your Buck
  • Barrel: 1" (25 mm) 6063 Aerospace Grade Aluminum
  • High-Strength Stainless Shaft and Trigger
  • Hardened 17-4 Spring Stainless Steel Shafts:
    41" x 9/32" (104 cm x 7.11 mm) Shaft
    Corrosion Resistant
    Hand-Tuned for Alignment then Heat-Treated for Maximum Hardness
    Reduce-Flex and Provide Optimum Energy Transfer
    6mm Threaded End
  • Slings:
    Unique Latex Formula
    302 Stainless Steel Wishbone
    Special Anti-Oxidants Protect from UV
    Durable Long Life Design
    Two 1/2" x 22" (13 mm x 559 mm) Slings
  • JBL847 Twin Barb Rock Point:
    303 Stainless Steel
    2-5/8" (67 mm) Wingspan
    For Small to Medium Fish
    6 Threaded
    Maintains Excellent Cutting Edge for Penetration Power
    3/8" (9.5 mm) Profile Opens Larger Hole for Easy Passage of Barbs Thru-Fish
    Use: Open Water, Reefs and Rocks
  • Low-Profile, Pistol Grip Handle
  • Pistol Grip Handle Makes for Easy Target Acquisition
  • Bring Home Plenty of Fish w/o Breaking the Bank
  • ABS Handle & Muzzle
  • Gun Overall Length: 41" (104 cm)
  • Reach: 21' (6.4 meters)
  • Floatation: Negatively Buoyant

JBL D8 Super Carbine Spear Gun (D-8) Customer Reviews Powered by TurnTo®

Review Summary


(based on 10 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


Good basic gun for reef fishing

For reef fishing in the FL Keys we use the gun with just one band. This is a good basic gun for reef fish like snapper, grouper, and hogfish. The only con is that the line is difficult to reload in the water after a shot, esp. with gloves - it takes practice. No signs of corrosion after a year of use.


Most Liked Negative Review


Dont Bother

Most things about the gun are okay. The biggest problem is the way the shooting line was made to work. Very poor construction. If looking for a cheap gun, go with Beuchat Marlin.

Reviewed by 10 customers

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Simple and effective.


I purchased this gun as a step up from using a pole spear/sling, which I had used for 20+ years. What I liked: - Past LeisurePro purchase experience (including chat) - Power option of two bands - Range (chosen based upon multiplying the length of the gun by three) - Simplicity/Sturdiness of construction (truth be told, most spear guns are quite simple) - Included, double-dongle rock point - Did a great job on a beautiful, 22+ inch, red grouper @ a range of about 8 feet. - Loaded the gun with both bands (maybe a little overkill for the previously mentioned harvest) and there was no adverse recoil. What I would have liked: - A grip extension/butt to help with loading (this was not a surprise, I just wish it had one) - Clip to attach a lanyard/strap. - Sealed tube, or more/an orifice to aid in flushing/cleaning. - Better shock cord/line retention system (I will rig up something better, garage R&D ;P ). Overall: - I would definitely recommend this gun with the following caveat, it is an entry level gun. - This is not a complaint, but the bands are difficult to pull (more resistance, more power). I would recommend cocking on the peck rather than sternum, unless you have a chest pad. - Are there better (more expensive) guns out there? Yes! Are there better values out there? Perhaps... However, this is a great value on a gun made by a company in the U.S. (if customer service is ever needed I hope this will be a benefit). I will wind up making this gun my "own", that is, modify (already have) what I desire to make me happy.


Cheap junk


I am buying another spear gun today here and decided to tell you why. As others said, it's basic and there is nothing wrong with that. The good: It shoots - ive killed dozens of ling cod, kelp greenling and kabazon with it. Its double-band which really just means that you have a ready backup for when the band breaks. I usually use only one band and its been plenty to nail fish up to 10-pounds. The Bad: The gun is pretty tricky to load underwater due to a complete lack of a stock you cannot see the notch that the band needs to hook into and I have scraped skin a few times off my hands trying to do it by feel. The trigger mechanism feels flimsy and although I have not had it come apart or unintentionally fire, but I can see how it will happen soon. By far the worst part of the gun is the string mechanism which lets the string come off all the flipping time! I have gotten tangled in my own string and usually have to re-pinch it 3 times between every shot. I have finally given up and just keep the string coiled in my left hand when I fire with my right.


Very cheap but not very convenient to us


The way the line is fixed is poorly engineered. While swimming, due to the drag with water, the line comes off and starts floating around. This is both a pain because you have to re-wind the line every five minutes and it is dangerous because the line could get stuck on your arm and injure you when you shoot.


Shorter line works well with one band


I wrote a review on this speargun three years ago. The gun is still working well and has put many fish on the table. I wash the gun in fresh water after use and there are no signs of corrosion. We use the gun with just one band and I decided to shorten the line so that it makes only one loop back to the handle. This makes reloading MUCH easier. I would NOT shorten the line if I used both bands. Good hunting.


Good at first overtime though watch out


it was great the first couple times out but then after time the trigger would not always fire when i pulled it and no the safety was NOT on seemed like a safety hazard to me good price just be wary of that trigger

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Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  What is the total length of the gun?
TOM B  I would ask the manufacture this question. I'm not sure the dia nore the position of the catch mechanism on the shalf of the spear. sorry. I can say ive never had an issue with this gun nore the spear. I have replaced the rubber though.
JOSEPH W  It's about 4ft... I love this gun, great gun for the price and very powerful!
noel t  can I rerplace the handle on this gun?
GERASIMOS A  Yes, you can replace the handle if you wish -- I assume you need to install one from a different manufacturer as the handle/mechanism that comes with the D8 speargun is worthless. Most likely you will need to drill new holes but this shouldn't be a problem. However, there are not many handles available that fit a 25mm tube. I could only find one made by BEUCHAT (ARCA series) http://www.beuchat.fr/index.php?id=35&cat=2&sscat=13&prod=129 However, you will need to replace the spear as well. JBL spears are not compatible with european models. Also the aluminum tube of JBL D8 is fairly thin and can bend easily. If I were you I'd rather buy the Beuchat speargun. It offers better quality/value in the beginner category. In case you decide to go along with the purchase consider making the JBL tube waterproof by installing at both ends rubber plugs coated with epoxy glue. Happy hunting!
Shopper  How do you rig the release line or shock line?
GEOFFREY W  I dont. I replace all of the cords with the telephone cord type replacement that they sell. It is easier to use and less hassle.
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