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ICS Transform4 UK1 Airsoft Gun Review Spotlight

Posted by Fox Airsoft on 21st Sep 2015

Click Here to Purchase the ICS Transform4 UK1!

In this ICS Airsoft Spotlight Gun Review we will revisit the ICS UK1 Transform4.  This is an oldie but a goodie, and with the tons of new guns coming out constantly we have come to under appreciate the ICS workhorse, the Transform4.  In previous articles we talked in depth about The History of ICS, and if you would like to learn a little bit more about ICS please click here to see the review we did on the ICS CXP Hog.  Now lets talk about Matt's personal ICS Transform4 he will be using at the OLCMSS Tactical Challenge 2015.

In previous articles we talked in depth about ICS Split Gearbox design so in this episode we will talk more about Matt's configuration he chose on his personal Transform4. Matt installed a Fox Custom CNC Stainless Steel Single Piece Cylinder, and a Fox Custom Speed Motor. The Single Piece Cylinder provides the ultimate compression for the system and allows Matt to make 397 FPS w/ .20G BB with a Fox Custom M100 Spring.  By using a lower powered spring he can maintain battery life and trigger response. The lower receiver is running stock ICS gears, we feel these are more than adequate, especially since ICS uses a MIM Heat Treated Steel Bevel gear.  You may also notice the ICS Metal Hop-Up Unit, these are awesome and are able to replace older plastic ICS hop-up units as a fantastic upgrade.

In this picture you can see the aftermarket piston as well as the ICS Ambidextrous charging handle.  Note the simplicity of the ICS UK1 Upper gearbox shell, in Matt's case there are only 6 major components inside; spring, spring guide, piston and head assembly, single piece cylinder and nozzle. Snazzy...

Click Here to Purchase the ICS TransforM4!

The transform4 includes front and rear ICS Back-up Sights, which Matt chose to mount BEHIND his laser. There is a reduction in overall sight radius, but the distances at which an airsoft gun is usable, the impact on accuracy is negligible and the pro's of mounting the laser forward out-weight the shorter sight radius.  Mounting the laser forward of the sight accomplished two things, first being the battery is changed out the front of the PEQ-15A and would require removal of the laser or front sight to change out batteries and possible loss of zero. Secondly, by having the laser as far forward as possible reduces the possibility of laser spill from the illuminator or aiming laser onto the weapon and virtually eliminates splash off the gun when using Night Optical Devices (NODs).

The ICS Back-up Rear Sight is fully adjustable for windage and features two apertures, the large one pictured as well as a smaller, more precise aperture.  

While we are on the subject of aiming devices, lets take a look at Matt's primary optic, which is a Lancer Tactical Mini Red Dot Sight. It is Red & Green and fully adjustable for windage and elevation.  It's low profile and small size not only reduce weight, but also poses a very small target for those pesky BBs that tend to be attracted to glass, the kind of glass usually found on sights and gets shot out.  By choosing such a small target for BBs, Matt opted to not use a BB Optic Shield.

Since there will definitely be dark areas at the OLCMSS Team Tactical Challenge and Operation Irene, Matt will keep a weapon light mounted to his rifle at all times. He chose to use the NcStar ATFLB which is a 160 Lumen 2 Cell LED weaponlight.  Since Matt uses a Magpul RVG, he chose to use a push button tailcap versus a pressure switch.

The stock has been changed from the ICS MTR Stock to the newer ICS S1 Stock is up there with best airsoft battery stocks of all time.  Currently the best stocks are the Elite Force M4 CQB Next Gen Stock, Classic Army VLTOR Style E-Mod Stock and now the ICS S1 Stock.  These 3 stocks have the best battery compartment and provide large capacity and quick access. The integrated ambidextrous push button QD socket is a very nice touch.

The stock as huge potential for battery storage. Matt will be keeping two Tenergy 7.4V 1200mAh batteries in the stock with the gun plugged into one at a time.  When its time to change batteries there is a button you can press to remove butt plate and quickly plug the gun into a fresh battery.  I will be switching to the newer ICS S1 Stock as of now as it has space for a MOSFET and a battery.

The butt pad release button is located at the top of the rubber butt pad and has lines for texture and positive actuation.  It is a very nice snag free design.

Overall this is still one of the all time favorite Airsoft Guns in all of airsoft history.  We have sent many Transform4s into the field and have had excellent results and reports.  This is particular gun we reviewed is one of the earliest Transform4s and has been holding up great.

Click Here to Purchase the ICS TransforM4!

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