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method. Because hot gases are not injected into the upper receiver, carbon fouling in the action is virtually eliminated. POF-USA's solution to timing problems related to AR-15's with short gas tubes, POF-USA developed precise op-rod/piston geometry and regulated gas pressure to enable rifles and
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carbines to be properly timed and bolt speeds (cyclic rates) to be precisely controlled, enhancing extraction and feeding reliability, as well as reducing wear and fatigue on critical components. The gun also runs cooler, further enhancing reliability and safety.
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To address carbon fouling and a short-barreled timing issue related to traditional AR-15s, POF-USA developed the
Regulated Short-Stroke Gas Piston System. Rather than operating gas being injected directly into the upper
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Additional innovations developed by POF-USA include the integral bolt-carrier key with the interface behind the cam pin, oversized heat-sink barrel nut, roller cam pin, and regulating gas plug.
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like a traditional AR-15, the technology pushes a piston that acts on an operating rod, which acts on the bolt carrier, setting extraction and reloading into motion. This
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Frank DeSomma with the intent of solving two common problems with gas impingement systems in dusty conditions found with the traditional
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heat-treated barrels and gas blocks, eliminating any requirement for lubrication.
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TheGunMag - The
Official Gun Magazine of the Second Amendment Foundation
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POF-USA rifles feature NP3™ coatings and hard, corrosion resistant,
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251:"Patriot Ordnance's big-bore AR: an investment for a lifetime"
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which are carbon fouling and a short-barreled timing issue.
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type offers several significant improvements over the
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Tactical Life Gun
Magazine: Gun News and Gun Reviews
197:"SHOT Show 2015: POF-USA Updates Its Olde School AR"
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226:"Mr. Patriot Ordnance: A Chat with Frank DeSomma"
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302:"Gun Review: Patriot Ordnance P415"
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125:Patriot Ordnance Factory
281:shootingillustrated.com
330:Defense Review article
277:"POF-USA P415 6.8 SPC"
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79:Headquarters
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183:References
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261:March 23,
235:March 23,
206:March 23,
100:Worldwide
158:receiver
108:Firearms
105:Products
48:Firearms
45:Industry
174:nitride
135:History
113:Website
71:Founder
61: (
53:Founded
18:POF-USA
162:action
145:AR-15
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