Sionics Weapon Systems

SIONICS Weapon Systems M16 5.56 AR-15 Bolt Carrier Group - Phosphate

Sionics Weapon Systems M16 5.56 Ar-15 Bolt Carrier Group - Phosphate - Bolt Carrier Group for AR-15 - view 1

Sionics Weapon Systems

Overview

The Sionics Weapon Systems M16 5.56 AR-15 Bolt Carrier Group is designed specifically for use with the 5.56 NATO caliber, featuring a phosphate finish that enhances durability and corrosion resistance. This M16-style bolt carrier operates smoothly within the gas system, making it a reliable choice for builders looking to optimize performance in carbine-length setups. It is commonly found in builds utilizing a carbine gas system, providing the necessary reliability and efficiency for both tactical and recreational shooting scenarios.

Specifications

MPNSWS-BCG
StyleM16 Bolt Carrier
Caliber5.56 NATO
FinishPhosphate

Available Merchants

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Build history on GunPartPicker

Builders on GunPartPicker first added the SIONICS Weapon Systems M16 5.56 AR-15 Bolt Carrier Group - Phosphate to a build in February 2026.

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Frequently Built With

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

Griffin Armament MK1 AR-15 Stripped Lower Receiver

Griffin Armament MK1 AR-15 Stripped Lower Receiver

Lower Receiver$120in 2 builds
Geissele Automatics Airborne Charging Handle Black

Geissele Automatics Airborne Charging Handle Black

Charging Handle$93in 2 builds
Aero Precision M4E1-T Atlas R-One Complete Upper Receivers 10.5" 5.56mm - AR-15 M4E1-T 10.5 In Atlas R-One Complete Upper 5.56mm Black

Aero Precision M4E1-T Atlas R-One Complete Upper Receivers 10.5" 5.56mm - AR-15 M4E1-T 10.5 In Atlas R-One Complete Upper 5.56mm Black

Upper Receiverin 1 build
Leapers UTG Ambidextrous 45/90 AR-15 Safety Selector - Black

Leapers UTG Ambidextrous 45/90 AR-15 Safety Selector - Black

Safety$16in 2 builds
Geissele Automatics Geissele Cold Hammer Forged 5.56 NATO 12.5" 1:7" 1/2x28 Chrome Lined Barrel 05-2988

Geissele Automatics Geissele Cold Hammer Forged 5.56 NATO 12.5" 1:7" 1/2x28 Chrome Lined Barrel 05-2988

Barrel$365 · out of stockin 1 build
Bravo Company Mfg M-LOK 15" Modular Rail, Black - MCMR15556BLK

Bravo Company Mfg M-LOK 15" Modular Rail, Black - MCMR15556BLK

Handguard$235in 1 build

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

87.5%
AR-1587.5%
AR-1010%
AR-92.5%

Caliber

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

Gas System

50.4%
Mid-Length50.4%
Carbine26.1%
Rifle11.3%
Pistol11%
Blowback0.9%
Other0.3%

Builds Featuring This Part

See all 2 →

Builds in the community that include the Sionics Weapon Systems M16 5.56 Ar-15 Bolt Carrier Group - Phosphate

BuildPartsTotal
For the family fun 10.5" build
For the family fun 10.5"		18$1405.43
12.5" BCM pistol build
12.5" BCM pistol		11$2083.49

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