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JP Enterprises
Overview
The JP Enterprises Custom Buffer Spring is a tuned spring specifically designed for carbine-length buffer tubes in AR-15 platforms. Its centerless ground and polished finish contribute to enhanced performance and reliability, ensuring smoother cycling and improved recoil management. This buffer spring is often found in builds utilizing a mid-length gas system chambered in 5.56 NATO, making it a solid choice for those looking to optimize their firearm's operation.
JP Enterprises Custom Buffer Spring - Centerless Ground and Polished - Carbine
Prices checked
Builders have added the JP Enterprises Custom Buffer Spring - Centerless Ground and Polished - Carbine to their builds on GunPartPicker. Since April 2026, it ranks #55 of the 116 buffer springs builders have added.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $20.85, with no real sale all month. Buying today, the lowest price is $20.85 at Primary Arms, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every buffer spring by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Spring Guide →Check it against the live catalog:
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Builds in the community that include the Jp Enterprises Custom Buffer Spring - Centerless Ground and Polished - Carbine
| Build | Parts | Total |
|---|---|---|
![]() | 27 | $2121.30 |
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