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Questions & Answers
Pin hole- ? necessary that the cam pin is inserted with the top wide, rotated 90 deg once inserted and ready to accept the firing pin when assembling? Expert Answer

Yes, this cam pin will need to be rotated during installation.

by Kurt Colbourne, Gear Expert, September 16, 2021
Customer Reviews
Most Recent Reviews
High value Nikel Boron cam pin. by Mountain Exposure, May 13, 2017
The cam pin is not as pictured. It is in fact a Nikel Boron cam pin and was perfectly to spec. Fits nicely in all my BCGs and has very good machining. Great companion to a Nikel Boron Bolt or Carrier and it seems to have helped slick up the action...
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Read 1 Review
Gun Model:
AR-15

Code: 2AM-RCP-ABACPNB

MPN: ABACPNB

UPC: 859143003504

List: $19.99Save 18%
$16.49

Product Info for American Built Arms Company Pro 5.56mm Cam Pin

A*B Arms A*B Pro Cam Pins are built to Mil-Spec dimensions. The Nickel Boron coated Cam Pin needs virtually no lube during use. These Cam Pins are ready to drop into your bolt carrier group. These Cam Pins 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. Cam Pin: E4340 Steel Heat treated per Mil-Spec Requirements Nickel Boron Coatedimage

Specifications for American Built Arms Company Pro 5.56mm Cam Pin:

Manufacturer: American Built Arms Company
Gun Model: AR-15

Package Contents:

  • American Built Arms Company Pro 5.56mm Cam Pin

American Built Arms Company Pro 5.56mm Cam Pin Orderable Models

List of Orderable Models

  • American Built Arms Company Pro 5.56mm Cam Pin, Silver, Small ABACPNB , MPN: ABACPNB , UPC: 859143003504 , Code: 2AM-RCP-ABACPNB
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Last updated 2026-10-08 UTC.