The J&E Machine Tech buffer spring is a replacement action spring for AR-15 rifles. It is made from piano steel and precision centerless ground for consistent fit inside the buffer tube. J&E designs it for a smooth recoil impulse, helping faster sight recovery and reliable cycling. Made in the USA.
- Brand: J&E Machine Tech
- Part number: PS-ABT4
- Fits: AR-15
- Material: piano steel
- Process: centerless ground
- Made in the USA
