With the BCM MK2 5.56 NATO Mid-Length upper receiver, BCM M16 Bolt Carrier Group bolt carrier group and BCM MK2 RMS-M1T0 Mod-2 SOPMOD lower receiver.
Updated
- 5.56 NATO Mid-Length AR-15 Build
With the BCM MK2 5.56 NATO Mid-Length upper receiver, BCM M16 Bolt Carrier Group bolt carrier group and BCM MK2 RMS-M1T0 Mod-2 SOPMOD lower receiver.
Updated
14.5 inch AR-15 Specs
How this build compares to other 14.5 inch AR-15 builds
From parts picked in GunPartPicker builds · October 2026
The BCM M16 Bolt Carrier Group Black is the #1 bolt carrier group in 14.5 inch AR-15 builds on GunPartPicker, picked in about 1 in 5 of them.
- Bolt Carrier GroupCompare with runner upBCM M16 Bolt Carrier Group Black#1 · 21%Runner up: Wilson Combat Bolt Carrier Assy 5.5610%
Often replaces the Aero 5.56 BCG W/C158 Bolt
- SuppressorCompare with top pickSOCOM556-RC3 Rifle#5 · 5%Top pick: SilencerCo Velos LBP 556 Rifle18%
Start from this build, swap any part and compare live prices.
See popular 14.5 inch AR-15 builds14.5 inch AR-15 Parts List(9 parts)
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