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BCG Repair
AR15 BCG Repair Parts, Extractor Kits and Rehab Components
This BCG Repair category covers the small, high-cycle components that keep an AR-15 bolt carrier group running, including extractor springs, o-rings, spring inserts, ejector roll pins, firing pin retaining pins, nitride cam pins, stainless steel gas rings, and gas key screws. Whether you are refreshing a worn bolt or stocking spare wear items, these parts target the components most likely to fatigue over time.
Many items ship in multi-packs, such as ten-packs and the twelve-pack gas rings, which is practical for builders and gunsmiths maintaining multiple rifles. The AR15 Bolt Carrier Group Rehab Kit and the Extractor Assembly Kit group several parts together for a complete refresh in one purchase. For broader maintenance, pair these with an AR15 Range Repair Kit.
Confirm fitment with your platform and caliber before installing, and replace springs and pins showing wear. Round out a build with our Build Kits and Receivers.
What this category includes
- Firing pins, cam pins, extractors, and ejectors
- Gas rings, extractor springs, o-rings, and spring inserts
- Retaining pins, roll pins, and gas key screws
- Complete BCG rehab and extractor assembly kits
- Nitride, hardened, and stainless steel materials
- Mil-spec dimensions for standard AR15 bolt carrier groups
- Multi-pack fasteners and single-part replacements
- AR10/AR15 gas key screw compatibility
Frequently Asked Questions
The Rehab Kit is designed to replace common BCG wear items on a 5.56 build. This category also carries the parts individually, including extractor springs, o-rings, spring inserts, cam pins, gas rings, ejector roll pins, and gas key screws, so you can restock specific components as needed. Confirm the parts match your bolt carrier group's spec before ordering.
Both. You can buy individual items like the AR15 Extractor Spring, Extractor O-Ring, Extractor Spring Insert, and Extractor Retainer Pin, or get the Extractor Assembly Kit, which includes a billet extractor, extractor roll pin, o-ring, extractor spring, and spring insert together. Choose based on which components you need to replace.
Many small wear items here come in packs so you can keep spares on hand. For example, the Gas Key Screw, Ejector Roll Pin, Extractor O-Ring, Extractor Retainer Pin, Extractor Spring Insert, and Firing Pin Retaining Pin ship in ten-packs, the Extractor Spring in a five-pack, and the Gas Ring in a twelve-pack.
The AR15 Cam Pin listed in this category has a nitride finish. The Extractor Retainer Pin is also offered in nitride. For any other component's finish or material, check the individual product listing, since we only list what is specified for each part.
White Label Armory ships orders in 2-3 business days, and free shipping is available on qualifying orders. If you also need larger assemblies, you can browse our full BCGs & Handles selection to complete your order.
Build on.
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