Finally, A complete Bolt Carrier Group Rehabilitation Kit. We got everything that you need to get your entire bolt carrier group rebuilt. This particular kit contains a Sprinco® 5 Coil extractor spring.
Please Note: 5 Coil Extractor Springs are recommended for barrels under 18.00" in length. The use of a 5 Coil Extractor spring can be aggressive on brass. Use 5 Coil spring with EITHER black extractor spring insert OR Crane Viton O-Ring, BUT NOT BOTH.
Specs
What's Included
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