From Wolverine Airsoft we have the MTW Billet Tactical X 10" SBR
The MTW Billet Tactical 10" is an upgrade on the standard Billet. It includes a steel flash hider, premium DLG Tactical real-steel grip and heavy-duty milspec stock. This gives this MTW a more premium feel alongside a more tactical look.
The Wolverine Airsoft MTW
The MTW platform has been built from the ground up to dominate the field, with endless customization options to make it your own. The MTW’s unrivalled reliability will keep you in the game, and we’ve “got your six” with durability and service to make the MTW the last replica you’ll ever need.
For more details, an overview of the MTW Billet Series as well as all of Wolverines other products, check out Wolverine Airsoft's Youtube channel
Manuals: MTW, Spartan Electronics
The Billet Series features the 3rd generation receiver set which now sports a polymer dust cover and sees several other aesthetical changes that smarten and enhance the look of the MTW Billet Series. Internally there has been some small updates to help improve the reliability and production of the MTW Billet Series without impacting on performance.
CNC Aluminium Billet GEN 3 Receiver Set
Polymer Dust Cover which can be biased Open or Closed
Small Brass Deflector
Charging Handle Retaining Screw
Updated Engravings
CNC Feed Tube Assembly
Sling Plate
Tactical Trim Additional Features
Steel Flash Hider
DLG Tactical Real Steel Grip
DLG Tactical Heavy-duty Milspec Stock
Technical Highlights
True tool-less disassembly exactly like standard AR-15 platform
Spartan Edition Electronics
Latest Empty mag detection and functional bolt catch when used with Wolverine Airsoft Magazines
Advanced Feed Tube Assembly
Intrinsically aligned
Compatible with most standard M4/M16 AEG magazines
Custom designed polymer rotary hop for ease of service and adjustment and optimal shooting performance
Compatible with many aftermarket AEG hop up rubbers, inner barrels and modifications.
Compatible with standard AEG hand guards
Bolt on compatibility with Wraith X stock system
Compatible with real steal AR grips, stocks, takedown pins, trigger guard, buffer tubes, and more
Machined Aluminium Receiver Set
7", 10" and 13" 7 Sided Invictus MK1 M-Lok rail systems
7”, 10.3”, 14.5”, and 18” CNC Aluminum Barrel Lengths
Each system assembled and installed by a certified Wolverine Airsoft tech
Each gun is thoroughly tested, shot, and checked by Wolverine Airsoft tech before shipped
This MTW is the Billet Tactical 10" SBR Version. 
Specifications;
MTW Barrel Length - 10.5”
Invictus MK1 7 Side M-LOK Rail Length - 10"
6.03MM Tightbore Inner Barrel Length - 285mm
Polymer Rotary Hop Unit with Maple Leaf Macaron 70 DEG Hop Rubber
Inferno XTS engine
Operating pressure: 60-140 PSI
ROF: 15-35 RPS
Output Energy: .8-2J 
Standard Filtered Integral Grip Line with US Foster Input fitting
GEN3 Billet Receiver Set
Furniture: DLG Tactical Pistol Grip and Stock
Magazine: 1x PTS x WA 120rnd EPM midcap with empty mag detection