Madbull PWS Diablo M4/M16 RIS Unit (Black)
$120.00 $102.00
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by L. SILVAMERCADO verified buyer Date Added: Tuesday 11 December, 2012
verified buyer
For: Madbull PWS Diablo M4/M16 RIS Unit (Black)
Product Information:
Contrary to the previous review, I had no problem mounting this to a G&G Combat Machine which I used as a base gun in my project. GI even uses them for making Diablos, so I was weary while deciding on whether to buy this or not, but I did and it fit well. The thing is that you can't just screw it on out of the box. The barrel nut is pre-screwed into the upper body mount, but all you have to do is take off the rails, unscrew the barrel nut, insert the barrel, then screw on the upper body mount. Once you've done that, you can tighten the barrel nut onto the upper body mount. Luckily for me, Madbull included some very detailed instructions on how to mount this.

It was very easy to mount and it is extremely lightweight. You can't go wrong with this one. All together, my rifle ended up being 25 inches long with the stock collapsed. It is shorter than an Mp5a4. If you are looking for a high quality rail system that is easy to install out of the box.

Three QD sling mount ports.
Utilizes a 225-229mm barrel perfectly. (not included.)
Great matte finish.
No wobble once installed correctly and rails are mildly tightened down.
Easy-to-follow instructions.

by L. BUMATAY verified buyer Date Added: Saturday 01 August, 2009
verified buyer
For: Madbull PWS Diablo M4/M16 RIS Unit (Black)
Product Information:
The Diablo Upper is Primary Weapons Systems’ answer to the 7” AR-15/M-16 series upper. Rather than simply bolting on an existing product and calling it revolutionary, PWS stepped back and designed a system from the ground up to work specifically with the extreme pressures of the 7” barrels.

The Diablo upper utilizes a long stroke piston system for additional dwell time and smooth recoil. The system is rounded out with the new CQB comp from PWS - a comp designed for short barrels that compensates, suppresses flash and directs all the blast forward.

Accurate replica.
Clean machining.
PWS Trademarks.
Nice finish.

Must use Vltor upper receiver.
Won't work with standard flattop receiver.
Have to mod Magpul XTM covers to fit.
Would not recommend to novice builders.
Displaying 1 to 2 (of 2 reviews) Result Pages:  1 
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