Dirty Bird 20" Lightweight .22-250 Rifle Stainless Steel Slick-Side M-LOK Complete Upper

Dirty Bird 20" Lightweight .22-250 Rifle Stainless Steel Slick-Side M-LOK Complete UpperThe Dirty Bird 20" .22-250 Complete Upper is a great building block for your next tack driver build! .22-250 is a high-velocity round that is not only incredibly accurate but also has very low recoil. The lightweight Dirty Bird .22-250 complete upper is great for medium-long target shooting and for hunting those pesky varmints! Built on a top-tier Forged Upper Receiver and finished with Dirty Bird's 17.5a ^2 AR-10 High-Profile SMRS M-LOK Handguard. No corners are cut when manufacturing these complete uppers. All barrels are dimpled and cold blued, use a black nitride 4140 steel gas block and a stainless steel gas tube. The gas block set screws feature knurled cone tops and are installed using blue locktite ensuring that no amount of firing will cause the set screws to come loose but they will still able to be removed for servicing if needed.20" .22-250 Stainless Rifle Lightweight Barrel416R Stainless Steel1-14 Twist RateRifle Length Gas SystemDirty Bird AR-10 High Profile SMRS Handguard - Slim M-LOK Rail SystemToughMachined from aircraft grade 6061-T6 aluminum extrusions.Type 3 hard anodizingVersatileM-LOK attachment slots on all sides (except top)1913 Picatinny top rail with shaved and beveled center section.Snag free design with smooth, uniform octagonal surface ideal for accessory attachment or application of specialty coatings or patterns.PracticalThis version features the patent pending anti-slip / anti-lift attachment method (ASALTM) for an easy, timing-free installation that provides an extremely rigid and secure attachment. Read below for more technical details about this impressive new attachment method.Compatible with most known low profile gas blocks.Dirty Bird AR-10 Billet Stripped Upper ReceiverHigh Profile7075-T6 Billet AluminumFits most DPMS Profile lowersM16 .22-250 Winchester BCG8620 M16 DPMS style carrier9310 .308 bolt4140 billet gas key4140 Cam Pin nitride treated for wear resistanceBillet Machined ExtractorCharging HandleMil-Spec Style6061-T6 Billet AluminumSmooth Operation and Positive Grip under Extreme ConditionsType 3 Class 2 Hard Coat AnodizingMade in the USADirty Bird Industries' Limited Lifetime Warranty