Hilsabeck Firearms: FLATLINE

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The FLATLINE is an easy to install product that reduces muzzle lift by 70% average and some recoil while increasing rate of fire. With this amount of recoil and muzzle lift reduction, its sure to increase accuracy at all distances. This product took a good portion of three years, and many failed attempts, however after many tries, Hilsabeck Firearms is proud to present the FLATLINE.

We know those who purchase the FLATLINE will benefit from its design. Whether its for Military, Police, Competition, or home defense, we know that with the FLATLINE you will increase accuracy, and increase the rate of fire for more rounds down range. We are excited to release the FLATLINE for the AR-15 series of weapons, and for other weapons in the future.

http://hilsabeckfirearms.com/Home_Page.html

http://www.youtube.com/watch?v=xsGtoztD-hg

I don't see a difference... send me a sample lol

I am rather speculative that a modified buffer spring can achieve the results implied. If you come down to Phoenix let me know, I'd give it a try as well.