Spike's Tactical

Spikes Tactical ST5BG03 Bolt Carrier Group 5.56 M-16 w/HPT/MPI Bolt - Nickel Boron Finish

Spike's Tactical Spikes Tactical ST5BG03 Bolt Carrier Group 5.56 M-16 w/HPT/MPI Bolt - Nickel Boron Finish
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Spike's Tactical

Overview

The Spike's Tactical Spikes Tactical ST5BG03 Bolt Carrier Group 5.56 M-16 w/HPT/MPI Bolt - Nickel Boron Finish is a bolt carrier group. Compare prices from multiple merchants and find the best deal.

Specifications

MPN15632
FinishNickel Boron
Caliber5.56 NATO
StyleBillet

Available Merchants(2)

Prices checked

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Sportsmans Outdoor Superstore
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Out of Stock
$27
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AR15 Discounts
~$9.99 est. shipping
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$135
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August 2026 on GunPartPicker

Spike's Tactical Spikes Tactical ST5BG03 Bolt Carrier Group 5.56 M-16 w/HPT/MPI Bolt - Nickel Boron Finish 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 April 2026. All time, it ranks #88 of the 443 bolt carrier groups builders have added.

Today none of the 2 retailers we track has it in stock right now. Listed prices start at $26.97 at Sportsmans Outdoor Superstore for when it comes back.

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Frequently Built With

The part most often added in each category by the 8 builds that include this one

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Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black

Charging Handle$50in 3 builds
Aero Precision M4E1-E Complete Upper, 16" 5.56 Mid Barrel, Quantum 12" M-LOK HG - Anodized Black

Aero Precision M4E1-E Complete Upper, 16" 5.56 Mid Barrel, Quantum 12" M-LOK HG - Anodized Black

Upper Receiver$50 · out of stockin 2 builds
Wilson Combat AR-15 Lower Receiver Forged

Wilson Combat AR-15 Lower Receiver Forged

Lower Receiver$52in 2 builds
Brownells AR-15 A2 Pistol Grip Black

Brownells AR-15 A2 Pistol Grip Black

Pistol Grip$4in 1 build
LBE Unlimited AR-15 Magazine Catch Assembly, Black - ARMCASY

LBE Unlimited AR-15 Magazine Catch Assembly, Black - ARMCASY

Magazine Release$4in 1 build
Timney Triggers Winchester 70 Black 3 Lb

Timney Triggers Winchester 70 Black 3 Lb

Trigger$122in 1 build

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

87.3%
AR-1587.3%
AR-1010.2%
AR-92.5%

Caliber

71.5%
5.56 NATO71.5%
.223 Wylde9.2%
300 Blackout7.7%
.308 Win4.1%
9mm1.8%
Other5.3%

Gas System

50.4%
Mid-Length50.4%
Carbine26.1%
Rifle11.5%
Pistol10.9%
Blowback0.9%
Other0.3%

Builds Featuring This Part

See all 1 →

Builds in the community that include the Spikes Tactical ST5BG03 Bolt Carrier Group 5.56 M-16 w/HPT/MPI Bolt - Nickel Boron Finish

BuildPartsTotal
DMR 20" 5.56 build
DMR 20" 5.56		20$810.43

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