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BC-10 22-250 Sporter Slick Side Upper featuring a 20" Parkerized heavy barrel with a 1:14 twist and rifle-length gas system. Includes a 15" M-LOK split rail, an M4 flat-top billet upper receiver, and a rear charging handle. Upper has no forward assist or dust cover. Compatible with 1st-gen DPMS low-profile AR-10 lowers. Caliber: .22-250. Barrel threading: 5/8x24. Barrel material: 4150 Chrome Moly Vanadium. Gas system: Rifle Length. Gas block: 0.750. Receiver material: Billet. Bolt material: E9310. Feed ramp: AR-10. Choking: None. Classification: Complete Upper Assembly. Platform: AR-10.
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