CMMG M4 LEP II Piston System Upper 16" 1/9 WASP 5.56/.223 10217
VALHALLA TACTICAL SUPPLY "ODIN" GEN2 PACKAGE
LOADED TACTICAL PACKAGE AND SUPER LIGHTWEIGHT AT 4 LBS 12 OZ WITH SIGHTS. ONE SWEET UPPER BROUGHT TO YOU BY VTS!
- INSTALLED MIDWEST INDUSTRIES GENERATION 2 MCTAR-17P QUAD RAIL
- INSTALLED YHM-28-C2 AGGRESSIVE FRONT PHANTOM FLASH HIDER
- SOG ENHANCED TACTICAL LATCH CHARGING HANDLE
- MAGPUL XTM RAIL COVERS (QTY: 12 - FULLY COVERS THREE SIDES)
- TROY INDUSTRIES HK FRONT AND REAR FLIP UP PREMIUM BATTLESIGHTS
Looking for a dependable AR15 Piston system at the BEST price? The CMMG complete upper is the "Best Bang for the Buck" affordable solution!
Gas Piston systems operate cleaner then the direct gas impingement operating systems. With the piston system, the propellant gases that are being diverted at the gas block are now vented at the gas block, instead in the operating system of the upper receiver. Since the fouling from the gas system is not being vented in to the action of your firearm, it stays cooler and cleaner. Our system is designed around the short stroke piston operation. The piston pushes the anti tilt one piece carrier, which unlocks the bolt and allows the piston to return home while the bolt carrier continues to cycle independently. You may remove the piston and set the gas system to off for use with our .22 conversion system.
The upper is built off of our standard forged A3 receiver with M4 feed ramps. The chrome plated gas piston is mounted in a solid one piece steel gas block attached to the barrel by pins. The dedicated, piston specific, anti-tilt bolt carrier is one piece, machined with the piston impingement key(not a bolt on) for maximum strength. The phosphated carrier uses our standard Mil-Spec bolt. The barrel is our 4140 steel, M4 profile, 5.56mm chamber and bore, 1/9 twist ratio and 1/2x28 threaded barrel and our proprietary WASP surface treatment. The upper is finished with M4 handguard caps, M4 handguards and an A2 flash hider installed with a crush washer.
The piston gas block has a gas shut off setting for use with a suppressor to allow for maximum noise reduction. You must replace the crush washer with a peel washer if you plan to mount your suppressor on the original flash hider. Fits on any standard Mil-Spec lower receiver. All uppers have been factory head spaced and test fired. Made in USA with a Limited Lifetime Warranty.
CMMG Barrel Specifications
* Certified 4140 chrome-moly vanadium steel barrel
* 1/9 twist
* WASP Protective Treatment
* M4 feed ramps/Barrel Extension
* 11 degree recessed target crown
* 1/2x28 Threaded Muzzle
* Parkerized Barrel, including under the front sight base
* M4 contour
Each barrel is individually magnetic particle tested. Barrels are engraved CMMG WASP 5.56 NATO 1/9.
What is a WASP barrel?
W.A.S.P., or Weapon Armored Surface Protection, is simply a modern alternative to chrome lining. W.A.S.P. is a proprietary finish that provides the same durability and ruggedness as chrome lining, without the accuracy loss inherent in chrome lining. Additionally, W.A.S.P. not only protects the inside of the barrel, but the outside as well. Its matte black finish does not reflect. CMMG WA.S.P. corrosion resistance outperforms conventional chrome lining in salt water sea spray tests and provides, rugged reliability and durability essential to military grade firearms.