Weekend Photo: The ultra-light "Ounces Is Pounds" AR-15

Steve Johnson
by Steve Johnson

The Battle Arms Development OIP “Ounces Is Pounds” rifle is an ultra-ULTRA-light AR-15. Its proud owner David writes …

It’s the lightest AR-15 ever available- under 3.9 pounds dry with 16″ barrel (11″ SBR is 3.6 lb). It’s called the OIP, manufactured by Battle Arms Development, and available through Bentwood Gunsmithing. The exclusive barrel is used under license by Knight’s Armament Corp. The only plastic used on the gun is the grip. Every component except the fire control is proprietary; made just for this project. The OIP’s operating system is tuned and balanced to achieve superior handling, and minimal recoil.

I have not been able to find the specs on this AR, other than a page on the Battle Arms Development website inferring that it weights less than four lbs. Regardless of its weight and other specs, I can see from the photo that is is one very handsome gun.

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Steve Johnson
Steve Johnson

I founded TFB in 2007 and over 10 years worked tirelessly, with the help of my team, to build it up into the largest gun blog online. I retired as Editor in Chief in 2017. During my decade at TFB I was fortunate to work with the most amazing talented writers and genuinely good people!

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  • SteveK SteveK on Nov 25, 2014

    If it was all black I'd be interested. That conglomeration of ugly colors is an instant turn-off!

  • Anonymouse Anonymouse on Nov 28, 2014

    Was lucky enough to shoot this rifle earlier in the year. Was seriously impressed with how light it was, almost cartoonishly light, while still functioning very smoothly. Despite the lack of weight the recoil impulse still felt as low as any a 5.56.

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