One of the quickest and surest ways to introduce problems in your carbine is to start messing with its gas system to tune it for suppressed operation. When muzzle backpressure became a “problem” manufacturers developed a number of products that promised improved performance. Some where hokey like the gas tubes with a larger diameter for part of the tube’s length. It was also a time when you saw adjustable gas blocks enter the market. The end result, typically, was diminished performance: short strokes, failures to feed etc. GEMTECH went back to the drawing board and came up with a solution that has a great deal of merit, a 5.56 Suppressed Bolt Carrier. What GEMTECH has done is create a high quality 5.56 bolt carrier with a two position gas selector. In suppressed mode, a small amount of gas is allowed to vent through the gas key and out the weapons ejection port. This accomplishes several things: a reduction in bolt carrier speed, a reduction in cyclic rate, a reduction in weapon fouling resulting from gas venting directly into the receiver; more importantly, it does this without altering the weapon, it’s a simple drop-in solution.
The GEMTECH 5.56 Suppressed Bolt Carrier will be available Q1 2015 and have an M.S.R.P. of $249. It’ll be nice not to have to mess with buffers, springs, gas blocks and gas tubes won’t it!