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When your AR starts leaving cases stuck in the chamber or tossing brass sideways, a tired extractor spring is usually the culprit. Sprinco's XP 5-Coil Extra Power spring solves that by putting noticeably more load behind the extractor claw than a factory Mil-Spec spring, which means the bolt grabs the rim harder and pulls spent cases out clean, run after run. This 3-pack covers three bolts or gives you a couple of spares for the range bag and the armorer's kit.
These aren't your average music-wire replacements. Sprinco winds them from valve-quality chrome silicon wire stock, then heat treats, stress relieves, and cryogenically processes each spring. That combination is the same reason chrome silicon shows up in high-cycle automotive valve springs, and it translates to serious longevity here. Sprinco has documented over 200,000 rounds on a single extractor spring, so calling this a set-and-forget upgrade isn't a stretch.
This spring drops into standard AR-15 bolts chambered in 5.56 NATO, .223 Rem, and 300 Blackout. Because the 5-Coil carries a heavier spring load than OEM, you don't need a D-Fender ring, and D-Fenders are not recommended with it. If you want to run an insert, use either the black extractor insert or a Crane Viton O-ring, but never both at once. It's a plug-and-play swap that most folks knock out in about ten minutes with basic tools.
The XP 5-Coil is a strong pick for duty rifles, suppressed builds, and guns that see steel-case or dirty ammo, where positive extraction matters most. It runs totally reliably across all 5.56 barrel lengths, though it can be a touch aggressive on case rims in 18-inch-plus barrels, so brass reloaders running long tubes may prefer Sprinco's 4-Coil Enhanced spring instead. For carbines and mid-lengths, this is about as bombproof as extractor springs get.
No, this SKU is the springs-only 3-pack and includes three extractor springs, no black inserts or Viton O-rings. If you want an insert with your spring, Sprinco offers a separate upgrade kit that bundles the spring, insert, and O-ring. For most builds the 5-Coil's heavier load lets you run it without an added ring.
No. The XP 5-Coil already carries a heavier spring load than a factory spring, so a D-Fender ring isn't needed and isn't recommended with it. If you'd rather add an insert, use either the black extractor insert or a Crane Viton O-ring, but not both together.
It will function reliably across all 5.56 barrel lengths, but the 5-Coil can be a little aggressive on case rims in barrels 18 inches and up. If you shoot a long-barreled rifle and reload your brass, Sprinco's 4-Coil Enhanced spring is the gentler choice. For carbine and mid-length builds, the 5-Coil is the go-to.
It's a straightforward swap that most people finish in around ten minutes with basic tools. You pull the extractor pin, replace the old spring, and reassemble the bolt. No gunsmithing or special fixtures required.
| UPC | 657780250356 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 25035 |
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