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 logo
Sportsmans Outdoor Superstore
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Out of Stock
$26.97
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AR15 Discounts logo
AR15 Discounts
~$9.99 est. shipping
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Out of Stock
$134.96
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Build history on GunPartPicker

Builders have added the Spike's Tactical Spikes Tactical ST5BG03 Bolt Carrier Group 5.56 M-16 w/HPT/MPI Bolt - Nickel Boron Finish to their builds on GunPartPicker. Since April 2026, it ranks #117 of the 549 bolt carrier groups builders have added.

It was out of stock everywhere we track every time we checked in October 2026, and 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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Check it against the live catalog:

Frequently Built With

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

Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black

Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black

Charging Handle$45in 38% of them
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 25% of them
Wilson Combat AR-15 Lower Receiver Forged

Wilson Combat AR-15 Lower Receiver Forged

Lower Receiver$100 · out of stockin 25% of them
LBE Unlimited AR-15 Magazine Catch Assembly, Black - ARMCASY

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

Magazine Release$4in 13% of them
Timney Triggers Winchester 70 Black 3 Lb

Timney Triggers Winchester 70 Black 3 Lb

Trigger$132in 13% of them
Brownells AR-15 A2 Pistol Grip Black

Brownells AR-15 A2 Pistol Grip Black

Pistol Grip$4in 13% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

90.1%
AR-1590.1%
AR-106.9%
AR-93%

Caliber

69.3%
5.56 NATO69.3%
.223 Wylde8.7%
300 Blackout8.7%
.308 Win5.4%
9mm2.7%
Other5.1%

Gas System

50.7%
Mid-Length50.7%
Carbine26.9%
Pistol10.7%
Rifle10.2%
Blowback1.1%
Other0.3%

Builds Featuring This Part

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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$1133.05

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