Sharps XPB Bolt Carrier Group

Published on April 12, 2018
Duration: 5:58

This review of the Sharps XPB Bolt Carrier Group highlights its Diamond-Like Carbon (DLC) coating and S7 tool steel construction. After approximately 1000 rounds with minimal lubrication and cleaning, the BCG demonstrated impressive reliability, even with steel-cased ammunition. The reviewer notes the tapered bolt lugs as a potential feature aiding in locking under adverse conditions.

Quick Summary

The Sharps XPB Bolt Carrier Group features a durable Diamond-Like Carbon (DLC) coating and is constructed from tough S7 tool steel. Tested with 1000 rounds of steel-cased ammo, it demonstrated flawless reliability and minimal wear, with tapered bolt lugs potentially enhancing lock-up.

Chapters

  1. 00:38Introduction to Sharps XPB BCG
  2. 00:57DLC Coating and Initial Impressions
  3. 01:22Design Differences from Mil-Spec
  4. 01:50Tapered Bolt Lugs Explained
  5. 02:20Wear Assessment After 1000 Rounds
  6. 02:52S7 Tool Steel Carrier Material
  7. 03:51Ammunition Used: Wolf and Tula Steel Case
  8. 04:01Reliability with Steel Case Ammo
  9. 04:31Final Thoughts on Performance
  10. 05:13Recommendation: Sharps XPB BCG

Frequently Asked Questions

What is the primary coating on the Sharps XPB Bolt Carrier Group?

The Sharps XPB Bolt Carrier Group features a Diamond-Like Carbon (DLC) coating. This coating is known for its hardness, low friction, and resistance to wear, contributing to the BCG's performance and longevity.

What material is the carrier made from in the Sharps XPB BCG?

The carrier component of the Sharps XPB Bolt Carrier Group is constructed from S7 tool steel. S7 is a highly regarded steel known for its excellent toughness, impact resistance, and durability, making it suitable for demanding firearm applications.

How did the Sharps XPB BCG perform after 1000 rounds?

After approximately 1000 rounds, primarily with steel-cased ammunition and minimal lubrication, the Sharps XPB BCG performed "flawlessly." The reviewer noted no significant wear and consistent reliability throughout the testing period.

What is unique about the bolt lugs on the Sharps XPB BCG?

The bolt lugs on the Sharps XPB BCG are tapered. This design feature is speculated by the reviewer to potentially aid in smoother and more reliable bolt locking, especially in environments with carbon fouling or debris.

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