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Faxon Firearms
Overview
The Faxon Firearms 5.56x45 NATO Pencil Profile Barrel features a lightweight 16-inch design with a 1:8 twist rate, which optimizes stability for a variety of bullet weights, making it an excellent choice for precision shooting and versatile applications. The pinned gas block ensures reliable gas flow and simplifies installation, while the nitride finish enhances durability and corrosion resistance. This barrel is often found in builds using an extended rifle gas system, as well as those chambered in 300 Blackout.
Based on build data

Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower ReceiverAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 153 |
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 146 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 144 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 136 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 132 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 118 |
| Platform | Percentage |
|---|---|
| AR-15 | 88.2% |
| AR-10 | 9.1% |
| AR-9 | 2.6% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
Builds in the community that include the 5.56x45 Nato Pencil Profile Barrel W/Pinned Gas Block For Ar-15 - 5.56x45 Nato 16'''' 1-8 Pencil Bbl W/Pinned Gas Block Nitride
| Build | Parts | Total |
|---|---|---|
![]() | 20 | $1464.53 |
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