Doublestar Corp. Bolt Carrier Rebuild Kit Contains 1 Extractor Spring With Bumer Pad Set of 3 Gas Rings

Doublestar Corp., Bolt Carrier Rebuild Kit, Contains 1 Extractor, 1 Extractor Spring With Bumer Pad, 1 Set of 3 Gas Rings, 1 O Ring, 1 Extractor Pin, 1 Firing Pin, 1 Firing Pin Retaining Pin, 1 Gas Key, 2 Gas Key Screws

Precise Manufacturing

Long Term Reliability

Durable Construction

High quality components and precise manufacturing make ACE parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.

Enter your ZIP code for an exact shipping cost on this item. Hazardous-materials fees, where they apply, are included in the total shown.

Read our full shipping policy

Firearms must ship to a licensed dealer (FFL), who completes the transfer and the required background check when you collect the item.

How FFL transfers work · Terms of sale · Product and legal restrictions