With the Geissele 16 Super Duty upper receiver, Ballistic Advantage barrel and Midwest Industries Suppressor handguard.
Updated
Smith & Wesson 17.7" 5.56 NATO AR-15 Mid-Length Build
With the Geissele 16 Super Duty upper receiver, Ballistic Advantage barrel and Midwest Industries Suppressor handguard.
Updated
AR-15 Specs
How this build compares to other AR-15 builds
From parts picked in GunPartPicker builds · November 2026
The BCM M16 Bolt Carrier Group Black is the #1 bolt carrier group in AR-15 builds on GunPartPicker, picked in about 1 in 5 of them. The Geissele SSA-E X Lightning Bow and BCM M16 Bolt Carrier Group together show up in 3% of AR-15 builds. 5% of AR-15 builds share at least 3 parts with this one.
- Bolt Carrier GroupCompare with runner upBCM M16 Bolt Carrier Group Black#1 · 21%Runner up: Wilson Combat Bolt Carrier Assy 5.569%
Often replaces the Aero 5.56 BCG W/C158 Bolt
- OpticCompare with runner upEOTECH 3x30.5mm X 21.6mm#1 · 19%Runner up: EOTECH XPS2 Holographic Sight7%
- TriggerCompare with runner upGeissele SSA-E X Lightning Bow#1 · 18%Runner up: Geissele SSA X Lightning Bow9%
- Stock & BraceCompare with top pickDaniel Defense Collapsible#2 · 10%Top pick: Magpul MOE Stock Collapsible14%
Often replaces the Daniel Defense Collapsible
- HandguardCompare with top pickTop pick: Midwest Industries Quad Rail7%
Often replaces the Midwest Industries Suppressor
- Lower ReceiverCompare with top pickSmith & Wesson M&P15 Lower#3 · 4%Top pick: Wilson Combat Forged7%
Often replaces the Aero M4E1 W/MOE SL Grip & SL-S
- Upper Receiver
- Charging HandleCompare with top pickRadian Raptor-SD OD Green#6 · 6%Top pick: Radian Raptor & Talon Safety Selector14%
Often replaces the Aero Breach Small Levers
- Barrel
- SuppressorCompare with top pickHUXWRX FLOW 6K 6mm Flow-Through#11 · 2%Top pick: SilencerCo Velos LBP 556 Rifle15%
Often swapped for the HUXWRX Flow 556K 5.56 NATO
- Light
- Muzzle DeviceCompare with top pickYankee Hill Machine SRX Short#21 · under 1%Top pick: Huxwrx 556 QD Flash Hider8%
Often swapped for the Fortis Control 300 Muzzle Brake
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AR-15 Parts List(19 parts)
Other Builds Using These Parts
Browse all builds →Community builds that share parts with this one — compare specs and pricing
| Build | Shared | Total |
|---|---|---|
| Smith & Wesson 16" 5.56 NATO AR-15 Build | 3 parts | $6094.52 |
 | 3 parts | $2678.24 |
 | 2 parts | $4004.10 |
 | 2 parts | $2908.44 |
 | 2 parts | $4862.32 |
 | 2 parts | $4933.51 |
 | 2 parts | $3510.30 |
 | 2 parts | $3441.40 |