Spike's Tactical AR-308 Nickel Boron Complete Bolt Carrier Group

Spike's Tactical AR-308 Nickel Boron Complete Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 1
Spike's Tactical AR-308 Nickel Boron Complete Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 2
Spike's Tactical AR-308 Nickel Boron Complete Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 3
Spike's Tactical AR-308 Nickel Boron Complete Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 4
Spike's Tactical AR-308 Nickel Boron Complete Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 5
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Spike's Tactical

Overview

The Spike's Tactical AR-308 Nickel Boron Complete Bolt Carrier Group is designed specifically for the .308 Win caliber, providing reliable performance and durability for your builds. The Nickel Boron finish enhances the surface hardness and offers improved corrosion resistance, which can lead to smoother cycling and easier cleaning after use. This BCG is commonly found in precision and tactical .308 builds, making it a solid choice for those looking to optimize their performance.

Specifications

MPNSTXBG03
Caliber.308 Win
FinishNickel Boron

Available Merchants(2)

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Optics Planet
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$269
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Primary Arms
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$269

August 2026 on GunPartPicker

Spike's Tactical AR-308 Nickel Boron Complete Bolt Carrier Group ranked #77 of the 229 bolt carrier groups builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #88 of the 433 bolt carrier groups builders have added.

Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today both retailers we track have it in stock. Prices barely moved in August 2026, holding around $263.72, so there haven't been real sales lately. Buying today, the lowest price is $269.10 at Optics Planet.

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Frequently Built With

The part most often added in each category by the 7 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

87.2%
AR-1587.2%
AR-1010.6%
AR-92.2%

Caliber

70.4%
5.56 NATO70.4%
.223 Wylde10.7%
300 Blackout7.4%
.308 Win3.8%
9mm1.7%
Other6.1%

Gas System

50%
Mid-Length50%
Carbine25%
Rifle12.3%
Pistol11.4%
Blowback0.9%
Other0.5%

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