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DOUG NOBLE .257 AIRFORCE CONDOR

Many who are fans of the Airforce Condor platform of Airguns are most likely familiar with the name Doug Noble. Well known for his design and development of the components that modify these rifles to perform at long ranges, some well over 1000 yards. Doug’s Condors are near the ultimate of custom  airguns and their isn’t much room for improvement I might add. The guns he builds shoot like lasers and too are as quiet as a mouse with his custom built shroud design. He has spent years and countless hours building and testing his own guns for the pure love of shooting them. Along the way he has shared his results very openly to help others achieve they’re goal, and on occasion will build one for a customer. I have had the privilege to shoot several of his many guns and will say they truly are unreal in performance and quality.

Doug Noble .257 Condor

His .257 Condor shoots out to 400+ yards with ease with 70 MOA adjustments. (shooting from bench below) 300 yard steel plinkers.

shooting area

Doug Noble targets

Doug’s .257 has a 32″ 1:14 TJ Enterprises barrel and it runs one of his custom .257 valves in a tank adapter with a 62 ci tank.

.257 barrel

tank adaptor
Doug does most all of his own work and design including machining the .257 barrel and too the one piece bushing to go along with it.
Here is one of his custom made a cocking knobs and hammers.

condor cocking knob

condor hammer

The .257  uses a hammer cocking setup were the hammer clocks the gun instead of the breech. The breech on this rifle is aluminum and is just open and shut load design.  There are some interesting things that happened with these Airforce valves as they are a unique valve design for an Airgun. Here is one of Doug’s custom valves on the (left) compared to stock valve, as you can see his is much larger and created for more power and efficiency.

Custom Valve

On a .257  or .25 you can port all you want. .257/.308 valve has a 49 lb return spring. He says that you could use a smaller one on .257 but he got to a point where he was tired of experimenting so a .25 valve will work with almost no spring.
Here are some of his numbers he has achieved.
-3300 psi fill gets shots in the 1080’s with 74 gr Lyman. With 102 gr slugs it is in the 960’s.
-3950 psi fill gets shots in the 1140’s with 74 gr Lyman. He got 1060’s with 93 gr.

Here is a stock condor stem on the left along with his .25, .257, and .308. The opening is where the air comes in the valve then goes to the ports in the stem. He uses three ports instead of the two Airforce uses for ease of manufacturing.

Doug Noble stem

Doug has stated that for good accuracy its very important to size and weigh each slug, as Airguns don’t have the energy that a firearm has. If a slug is to large it takes away a lot of fps and you will end up with the base not being flat from trimming in the barrel. He only size’s .0003″ over on his .257 and it shoots dime size groups at 1080 fps. Too, barrels don’t lead up as bad either with proper sizing. This is Doug Noble’s designed .257, 91 grain super slug made by nielsenspecialtyammo.com . If you have a .257 capable of shooting this awesome slug it is definitely worth trying out.

.257 ammo

These Airforce Condors are excellent rifles to modify into the .257 for not only target shooting but long range predator hunting as well. Here is a Coyote taken by Tofazfou at 120 yards with his custom .257 with some of Doug’s ideas. If you get a chance to please check out his blog with the provided link, some very good reading.

Cedric Tofazfou

As you can see, the .257 is a great long range tool but as anything can only get better with more experimenting. In one of our next issues we will take a look at one of Doug’s other customs such as his .338 that he used in the 2016 Extreme Benchrest where he was hitting silhouettes at 550 yards.