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- Daniel Defense Complete Bolt Carrier Group Assembly, Black - Reliable Performance - 04-013-19032Original price was: $329.14.$215.99Current price is: $215.99.
- Daniel Defense Complete Lower Receiver GroupOriginal price was: $549.21.$419.99Current price is: $419.99.
- Daniel Defense DD4 RIII 16" Upper 5.56x45mm 1:7 M-LOK Mid-Length, Flat Dark EarthOriginal price was: $1,572.41.$1,411.99Current price is: $1,411.99.
- Daniel Defense DD5 V3 18" Upper 7.62x51mm 1:10 M-LOK Rifle-Length, BlackOriginal price was: $2,432.71.$2,212.99Current price is: $2,212.99.
- Daniel Defense DDM4 M4A1 RIII 14.5" 5.56 NATO ODG Rifle PackageOriginal price was: $2,371.94.$2,059.99Current price is: $2,059.99.
- Daniel Defense DDM4 V7 Pro CA Compliant 5.56x45mm 18", BlackOriginal price was: $2,582.12.$2,439.99Current price is: $2,439.99.
- Daniel Defense M4A1 FSP Free Float/Picatinny Rail Interface System 12.25", Flat Dark EarthOriginal price was: $511.38.$459.99Current price is: $459.99.
- Daniel Defense RIS III M-LOK Free-Float Rail Interface System 12.50", BlackOriginal price was: $584.72.$511.99Current price is: $511.99.
- Daniel Defense RIS III M-LOK Free-Float Rail Interface System 9.50", Flat Dark EarthOriginal price was: $572.88.$511.99Current price is: $511.99.
- Dead Air Sandman X 7.62 Rifle Suppressor, Flat Dark EarthOriginal price was: $1,298.31.$959.99Current price is: $959.99.
- Defense Omega Omega Rail 7.0, CarbineOriginal price was: $299.65.$229.99Current price is: $229.99.
- Garmin Xero C1 PRO ChronographOriginal price was: $721.51.$599.99Current price is: $599.99.
Buy AR Upper Parts Online
Build the upper you want. GlockOne carries complete AR uppers, barrels in multiple lengths and calibers, bolt carrier groups, free-float handguards, muzzle devices and gas systems. Match your build with the right optic and ammo. Non-serialized parts ship direct with no FFL required.