ET Arms' polymer lower parts kit includes the pistol grip, fire controls, springs, pins, detents and the other parts needed to complete an AR-15 lower receiver. The distributor describes it as a nano composite kit. It gives a builder everything for the lower in one package.
- Fits: AR-15 lower receivers
- Includes: pistol grip, fire controls, springs, pins, detents and all necessary lower parts
- Material: nano composite (polymer) per distributor
- Manufacturer part: ETAPOLYLPK
