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<p>These Workhorse upper receivers are the same ones that ship on the complete rifles. They come packed full of features and are a hard deal to pass up.</p><p>
</p><p>This upper features:</p><p>
</p><p>Barrel Length: 16inGas System: Midlength Barrel Profile: A2Barrel Steel: 4150 Chrome-Moly VanadiumBarrel Finish: NitrideChrome Lining: NoneMuzzle Thread: 1/2-28Chamber: 5.56 NATOTwist Rate: 1:7Barrel Extension: M4Diameter at Gas Block: .750Gas Block Type: Low-profileMuzzle Device: A2 Flash HiderReceiver Material: Forged 7075 T6Receiver Type: M4Handguard Type: WORKHORSE® 15in M-Lok® Free Float RailBolt Carrier Group Included: NoBolt Steel: N/ABolt Carrier Profile: N/ACharging Handle Included: NoOverall Length: 24.5in</p><p>
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WARNING:
This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov
WARNING:
This product can expose you to chemicals including nickel & chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov
WARNING:
This product can potentially expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to - www.P65Warnings.ca.gov
WARNING:
This product can expose you to Nickel Acetate, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov
WARNING:
Lithium-ion Batteries and/or products that contain Lithium-ion Batteries can expose you to chemicals including cobalt lithium nickel oxide, and nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to - www.P65Warnings.ca.gov
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This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.