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A B Arms A*B Pro 5.56mm Bolt Carrier Group – Complete Nickel Boron Assembly

$219.99

A*B Arms A*B Pro 5.56 Bolt Carrier Group is built to Mil-Spec dimensions. The Nickel Boron coated Bolt and Cam Pin need virtually no lube during use. The Nickel Boron coated Carrier is coated for extra lubricity and the extractor has a surface finish that provides superior extraction during firing.

These Bolt Carrier Groups are ready to drop into your rifle. Our Bolt Carrier Groups are specially made on high-end, Swiss machinery to have exacting tolerances and surface finish. A*B Arms is known by rifle manufacturers for manufacturing one of the finest quality bolts and extractors available. This has won us contracts with some of the highest quality AR manufacturers in the business. If you want to buy super high-quality parts offered by the company that actually manufactures them, then you’ve come to the right place.

Bolt

9310 Steel

Heat treated per Mil-Spec Requirements

Shot Peened per Mil-Spec Requirements

MPI Tested Material

Nickel Boron Coated

Bolt Carrier

8620 Steel

Nickel Boron Coated

Nickel Boron Coated Bore

M-16 Style with more mass for better functioning in semi or full auto rifles

Gas Key

4130 Steel

Nickel Boron Coated per Mil-Spec Requirements

Gas Key Screws – 4140 Steel Properly Staked per Mil-Spec Requirements

Cam Pin

4340 Steel

Heat Treated per Mil-Spec Requirements

Nickel Boron Coated per Mil-Spec Requirements

Extractor

Aircraft Quality E4140 Steel

Heat Treated per Mil-Spec Requirements

Shot Peened per Mil-Spec Requirements

Nickel Boron Coated per Mil-Spec Requirements

Firing Pin

420 Steel

Passivated

Estimated shipping times are posted on the product information page under the title “Ships On Or Before:” please note that all lead-times are estimates.  For items in our warehouse, we usually ship within 3 business days.  For items only available at distribution or other sources, the ship time may be up to 10 business days.  For items only available at the manufacturer, the lead-time may be a few weeks or longer– depending on availability.

Please also note that some items are unique, hard to obtain, or one-of-a-kind, so Impact reserves the right to cancel your order should an item not be available to ship.

We will not charge your credit card until your product ships, except for certain special orders.

We normally will ship FedEx and US POSTAL. If you need faster shipment, we can ship 2nd Day or Next Day for an extra charge.

Alaska and Hawaii residents – your order MUST ship 2nd day or faster. Most orders over $100 value will ship with a signature-required to ensure they make it to you. Products that have free shipping only applies to the lower 48 states.

NOTE: We make every effort to get your order shipped as fast as possible. In some circumstances, especially during sales and after weekends, we may not get your order shipped in the time specified. Please rest assured that we will ship your item as soon as we can.

We want you to be 100% satisfied with your purchase from Multi Gun Shop, therefore we offer no hassle returns.

How do I start the return process?

  • Log in to your https://multigunshop.com account and locate and click on the “Request Return” link.
  • An Multi Gun Shop agent will review your request for a return and respond within two business days.
  • All returns are subject to inspection and approval prior to refund being issued.
  • All products need to be in new and original manufacturer condition.
  • As an alternate method, you can send an email to Support@multigunshop.com. Please be sure to include your original order number and relevant contact information.

When will I get my credit or return?

  • Most returns are fully refunded in 3-5 days after we receive and process the return. It may take longer for the credit to appear in your account depending on your bank. Most items that are in stock ship within 3-5 days after receipt of your returned item but may take longer depending on availability.
  • Returns must be charged back to the original credit card used in the purchase.  If this is not possible, we will refund you via check.

What about damaged/incorrect items?

  • If you received a damaged, defective, or incorrect item, Multi Gun Shop will ship you a replacement of the exact item upon receipt of the damaged or defective item. Multi Gun Shop will send you a return shipping label for the return.

What about return shipping costs?

  • If an Multi Gun Shop error causes the need to return an item or we are replacing a returned defective or incorrect item, then we will pay the associated shipping costs.
  • Otherwise, the customer is responsible for any return shipping costs. When returning an item, please add package tracking and adequate insurance.
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