Bexar Arms Gen 2 AR-15/M16 Enhanced Flat Wire Recoil Spring

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Never replace a recoil spring in your AR15 again all while you shoot flatter, eliminate bolt bounce, and quiet that annoying rattle/twang with an Enhanced Flat Wire Recoil Spring from Bexar Arms!
Good enough wasn't good enough, so we're proud to introduce the Gen 2 AR-15/M16 Flat Wire Recoil Spring! Most notably, if you're familiar with the original FWS, the Gen 2 FWS now fits over all buffer styles with no interference. Round wire springs have been the standard since the inception of the AR-15 in the 1950's. Compared to round wire springs made of music wire, stainless steel, or even chrome silicon, our Enhanced Flat Wire Spring does numerous things better than its round wire counterparts. Our Flat Wire Spring places more load on the bolt when it is in battery which causes bolt lock time time to increase slightly which drops chamber pressures before extraction. It also helps to push the bolt back into battery through adverse conditions and fouling, helps to strip stubborn rounds out of magazines, and can even help reduce bolt bounce. When the bolt is locked open, our Gen 2 Enhanced Flat Wire Spring places the same amount of force on the bolt as traditional round wire springs. Spring Load in a Carbine Length Buffer Tube: Bolt Forward in Battery: Bexar FWS ~ 7.5 lbsMil-Spec ~ 6 - 6.5 lbs Bolt Locked to Rear: Bexar FWS ~ 12 lbsMil-Spec ~ 12 - 12.5 lbs Bring your AR into the 21st century with a Bexar Arms Enhanced Flat Wire Recoil Spring! The Gen 2 AR-15 Flat Wire Spring is designed and optimized for use in Carbine Length buffer tubes. If you're running an A5 or Rifle Length buffer system, please use our A5/Rifle Spring Spacer in conjunction with our Gen 2 FWS. 100% Made in the USA A note from Phillip: If your spring still has some rattle or twang once installed, try using some of your favorite automotive grease on the buffer and spring. I personally prefer the full synthetic Lucas X-TRA Heavy Duty green type of grease. You'll know if you've used enough when you drop the bolt on an empty chamber and the twang is gone! Features: Gen 2 AR-15/M6 Enhanced Flat Wire Buffer Spring Optimized for Carbine Length Buffer Tubes Spring Spacer available for use with A5/Rifle Buffer Systems 17-7 PH Stainless Steel Construction Improved Spring Load Characteristics Reduces Bolt Bounce Reduces Spring Rattle Lifetime Warranty Weighs 2 oz 100% Made in the USA Recommended Uses: Use our AR-15 Enhanced Flat Wire Buffer Spring on any gas operated small frame AR calibers such as: .223 Rem/5.56 NATO 6mm ARC 22 Nosler .224 Valkyrie 300 Blackout 6.5 Grendel 6.8 SPC 7.62x39 9mm PCC straight blowbacks etc. DO NOT use with the following: Receiver Extensions shorter than Carbine Length AR-10/SR25 or any Large Frame AR's .308 Win/7.62x51 NATO 6.5 Creedmoor .260 Remington .243 Winchester etc.