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Here at spearfishingstore we think we have the largest range of guns in stock in the UK. Suppliers include Apnea, Beuchat, Cressi, Epsealon, Nemrod, Omer and Seac-sub.
Spearguns are available in two main styles. The way in which the two vary is in how the spear is fired. One form of gun uses rubber bands that catapult the spear forward and the other type of gun uses compressed air. Which type of gun is best depends a lot on your own personal likes or dislikes and the type of water that you are likely to be fishing.
Rubber powered spearguns are powered by strong rubber bands - very similar to the way a crossbow works. Rubber spearguns vary a lot in their length, from around 35cm up to 1.4 meters. It is worth noting at this point that, when a gun is referred to as a "75 cm" gun, this does not mean that the gun is 75 cm in length. The 75 cm refers to the length of the barrel of the spear gun. The trigger mechanism of the gun will add extra length and the muzzle at the front end will add more. An average 75 cm gun will be around 1 metre in length. The spear itself is the single longest part of the set up. A 75 cm speargun will normally use around a 1.2 metre long spear. We provide more specific details of each of the spearguns we offer on both the specifications tab on the product page or you can use our product comparison page to compare multiple spearguns.
Air powered spearguns are generally shorter. The confusing difference here is that a "70 cm" compressed air speargun measures..... 70 cm!! Why this is, I don't know!
Compressed air spearguns work by holding compressed air inside the barrel section of the gun. When the spear is inserted into the barrel it sits on top of a piston within the barrel. The user places a special loading handle over the tip of the spear and forces the spear and piston down the length of the barrel, thus compressing the air further. When the spear has been compressed far enough the spear gets locked in place by the trigger mechanism.