Sprinco Red AR-15 / M4 Extra Power Carbine Buffer Spring
Sprinco AR-15 buffer springs are made from high quality Chrome Silicon wire stock which is used in a variety of applications from Formula One to motor valve springs which can see up to 15,000,000 compression cycles in a single race. This makes it the perfect choice for a carbine which will see far less cycles than that over it’s lifetime. In order for this carbine buffer spring to retain its strength, Sprinco heat treats, shot peens, and treats each spring with a proprietary formula that retains spring efficiency for as long as you have your rifle. Sprinco buffer springs are a great option to improve the long-term reliability of your AR-15.
This extra power carbine buffer spring is great for heavily overgassed 5.56 guns and rifles chambered in calibers such as .458 SOCOM, 6.5 Grendel, .450 Bushmaster and many other heavier cartridges.
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Brian D P. (verified owner) –
Great product, worked great on my 10.5″ FRT 50 beowulf, along with odin adjustable buffer
Corbin –
First time buying anything from this company and safe to say it is now one of my favorite companies, because along side my package I got free instant noodles. Very happy made my day.
Charles A. (verified owner) –
Perfect addition with an h3 buffer. Solved all my problems