BT TM-7 Review

We just got our first look at the new BT TM-7. Our first impression was that it is extremely light, and feels plastic. As soon as you take a closer look, though, you see that it is a very high quality, light weight polymer. It feels solid, and has good construction. The finish quality is good, and it is free of any flashing or other flaws common on cast plastic parts. There is a little side to side play in the four-way adjustable trigger, but it's not too bad. This will probably be solved when aftermarket triggers become available. It comes with a very good parts kit in a clear plastic case which includes wrenches, lube, spare o-rings, spare bolts, a second set of detents, and a 9V battery.


The operation is very simple. A single 9V battery goes in the easily accessible battery compartment. Screw in the air tank, and it's ready to go. Push and hold the power button for two seconds to turn it on in eyes-on mode. To turn the eyes off you just hold the trigger down when you turn on the gun. The selector switch is smooth and sturdy, with a light click when a firing mode is selected. At first we were puzzled at how to put on the feedneck. It is the same style feedneck as on the BT-4, which slides on from the front, but on the TM-7 the sling attachment points block the rail both front and rear. On closer inspection the picatinny rail is skinnier just in front of the breech, so it just pops on and slides back. Because the breech is molded into the plastic body, there are structural ribs visible inside the breech, which look like little fins. These would be difficult to clean if broken paint is fired through the marker.


The Invert Mini platform used for the TM-7 is well known for being easy to maintain. The TM-7 complicates the maintenance slightly because you now have to remove the body in order to get at the Mini internals. This consists of removing any accessories on the gun, undoing the bolts around the edges of the clam-shell style body, and then removing half the shell. After removing the body shell, maintenance is just like on the Invert Mini.


The TM-7 is a tournament level marker in a tactical body, so you absolutely will need a force fed hopper if you want the gun to shoot consistently. There is virtually no kick when it fires, so a gravity fed hopper will jam up frequently. The gun is amazingly quiet to shoot, and it shoots very smoothly and accurately. The manual says that you don't need to adjust the regulator, and that it should be at or below 200 psi. You adjust the velocity through an access point just in front of the battery compartment on the underside of the gun. They say that you only need to adjust in small increments, but we found that we had to adjust it at least a quarter turn to see any significant difference. From the factory the marker was shooting around 330 fps, so I recommend having it chronographed before you play with it for the first time.


The feel of the gun will vary between players, but I am told that the feel of the TM-7 is accurate to the real MP-7 that it is based on. You can remove the stock if you wish, and it comes with a blank back plate that covers up the attachment point for the stock. The foregrip feels good in the vertical position, but when it is folded down, it feels a little too tight. It feels much better when you move the foregrip to the furthermost position. CAUTION: when we moved the foregrip forward and tightened down the bolt to secure the foregrip in place, the bolt actually started to pull through the plastic with no resistance. This was fixed with a washer and a longer bolt, but it will probably need to see a more permanent fix from BT. If you adjust your foregrip, be careful not to over tighten the bolt. In addition to the bolt pulling through the plastic, the first time we played with the TM-7 the button that allows the foregrip to fold down popped off and the foregrip fell off. It appears that the folding foregrip needs to be redesigned with better components so that it can withstand the rigors of woodsball and scenario play.


Review by Robby Spratt, from Team Desert Edge. Robby does Paintball sales and technical support at Earl's Hobby Hangar in Logan, Utah.