Metaloy may begin to carry the Osprey Defense AR15 Gas Piston System in the near future. Visit www.gaspiston.com if you are not familiar with them. We have one on order for testing & evaluation. We will keep this updated as to our testing. You can view Ospreys testing via videos on their site.
The advantages of a gas piston system in the AR rifle is the rifle runs much cooler and the hot dirty gas are exited out the front of the rifle instead of into the upper as per conventional impingement systems. Cleaner, cooler, more reliable. Another advantage of the Osprey system over others is Osprey is not a permanent conversion. It is literally a 5 min. install. We believe between cost, ease of installation, reliability...Osprey may be a real winner.
UPDATE:
6/30/2010
I just got the Osprey Gas Piston system installed this morning. I had to find a lathe and turn my barrel down from .950" to .875". Osprey says this system only works with barrels of .875" or smaller. They are working on a system for the larger barrels to avoid turning barrel down.
Anyway I went out to run some round through my CAR15 and it runs flawless! I am keeping this on my CAR and will run various rounds through it to see how it works in the long run. I think we have a quality product that does what it claims. Nothing but cool, clean, smooth running CAR15's with this system.
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