After a multitude of custom AR15 builds for either good stories or good causes, I really was dieing to do something over the top similar those build I donated for auction to the Mercury One and The Lone Survivor foundations. One of the manufacturers I worked with closely for both the Lone Survivor builds and one of the Mercury One builds was Area 53. Area 53 creates gorgeous billet AR15 and AR308 uppers, lowers and even complete rifles.

The theme I tried to carry through a “Four” theme in shades of grey from polished silver to black. The result was a beautiful use of carbon fiber, anodized billet aluminum, synthetics, titanium and stainless steel delivering a feathery 8.5lb rifle including the full sized 4-14 Primary Arms FFP Mildot optic.
Shooting Innovations LLC Recoil Reduction System (Captured Buffer Spring) - $150 - To even take even more bite out of the very little recoil left, I opted for Shooting Innovation’s Captured Buffer Spring which touts a significant 30% recoil reduction. Combining this with the adjustable gas block, and giant brake netted a rifle which felt like I was shooting an electric stapler with a bit less recoil than my 10/22s.
This is a similar concept but a bit different than JP Rifles captured buffer spring. The Shooting Innovations Recoil Management System adds a set of additional springs and floating brass collar which provides extra damping to the recoil cycle. SI claims that the combination of the reciprocation, dual springs, and brass collar deliver a level of recoil cancellation since all are moving at different rates.

One of the odd installation points is that the Captured Buffer Spring installation requires the removal of the buffer retention detent and spring. Since the SI system is captured already, it is not going to spring out like a regular buffer spring would.
FINAL THOUGHTS
I have tested a couple of these captured buffer spring systems and they do work. They work really well when they are just plugged into a standard upper which has not had a world of tweaks, but one the custom builds they can really shine with the ability to further tune gas pressure.
Shooting Innovations LLC - http://www.shootinginnovationsllc.com/
CMC Triggers - http://www.cmctriggers.com
Mission First Tactical - http://missionfirsttactical.com
Mega Arms - http://www.megaarms.com
DoubleStar - https://star15.com
Precision Armament - https://star15.com
Battle Arms Development - https://www.battlearmsdevelopment.com
KNS Precision - https://www.battlearmsdevelopment.com
Clark Customs - http://clarkcustomguns.com
Fail Zero - http://www.failzero.com
Aero Precision - http://aeroprecisionusa.com
Precision Reflex - http://www.precisionreflex.com
Primary Arms - http://www.primaryarms.com
Brownells - http://www.brownells.com
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