Price: $699.00 View product. AR15 Upper Receiver Groups BCM® MK2 Upper Receiver Groups 20" Rifle Upper Group 18" SPR Mk 12 Upper Half 18" Rifle Upper Group 16" Recce Upper Groups (Mid Length) 16" M4 Carbine Upper Group 16" Mid Length Upper Group 14.5" Mid Length Upper Group 14.5" M4 Carbine Upper Group 12.5" Carbine Upper Group 11.5" Carbine Upper Group 9", 10.5" Carbine Upper Group BCM® Upper … Wolf A1 AR15 Upper T91 Gas Piston Operating System , Click image for details. We are seriously excited about every single one of the AR15 Upper Receivers we feature on OpticsPlanet.com. I was curious what the overall length of a standard AR15 upper assembly with 16inch barrel length. These are the most popular upper receivers since they are in the sweet spot of 16″ barrels that is the minimum barrel length for a rifle under the National Firearms Act (NFA). However, we’ll still include some 14.5″ barrel uppers that have muzzle devices pinned and welded to meet the length. 6.5 Grendel, 20" Parkerized Spiral Fluted Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" MLOK Rail| Upper (Billet Upper Receiver) Sku: 456-UA6.5RHB2018PSFBUR-15M3 Special Price $451.99 was $587.99 Either option allows the use of a sub 16" barrel. There are more reasons than ever before to shop at OpticsPlanet.com. The Best Alternative Caliber Upper Receiver For Cheap, .30 Cal Ammo (7.62×39) I have a couple 7.62×39 AR-15 upper receivers for quite a few reasons: You can hunt medium sized game with 7.62×39 in some states where you can’t hunt with the standard 5.56 NATO (.223) caliber. .223 Wylde uppers will shoot both 5.56 Nato and .223 Rem ammo. 5.56 Nato; 223 Wylde; 300 Blackout; 6.5 Grendel; 224 Valkyrie; 7.62×39; 450 Bushmaster; 458 Socom; 350 Legend; AR15 Complete Upper Receivers. I did see somehwere a barrel-less upper was around 7inches or so which would be 23 OAL on the upper… AR15 Upper Receivers; AR15 Handguards. Ghost Firearms .223/5.56 Upper . Check out the vastest selection of AR-15 Stripped Upper Receivers for AR-14. Plenty of info on the OAL of am adjustable stock M4. Stag Arms .224 Valkyrie AR15 Complete Upper Receiver for sale, Click image for details. Complete 5.56 Upper Receiver are available in 7.5" and 10.5" for your pistol upper and 16" for rifle uppers. Price: $525.00 View product. We have put in a lot of hours over the years to bring you an astounding selection of AR15 Upper Receivers from lots of AR15 Upper Receivers … 5.56 / 223 Barreled Ar15 Upper Receiver Asseblies. Best 16″ AR-15 Upper Receiver Assemblies. Search by caliber, barrel and rail length, manufacturer, finish, and more. AR 15 Rifle Length Upper Receiver for sale Assembly Complete 5.56 NATO 5.56x45 223 Wylde ar15 AR 15 5.56 Upper are available in Black anodized finish along with FDE, OD Green, Burnt Bronze, Blue Titanium and Tungsten Grey in Cerakote finish from Grid Defense. Wolf A1 AR15 Upper T91 16" Misc AR15 & Parts. 5.56 Nato Complete Uppers; 223 … AR15 Anodized Handguards; AR15 Cerakoted Handguards; Two Piece Handguards; AR15 Barrels. Davidson Defense "198X" AR-15 Pistol Upper Receiver 14.5" 5.56 NATO 4150 CMV 1-7T Chrome Lined Barrel Carbine Length Drop-In Handguard (Assembled or Unassembled) $634.99 $309.99 Sale In Stock. Virtually all of our uppers for sale have the parts in stock and are built to order by us. Upper receiver plus buffer extension tube on lower will add about 20" to OAL. If you are looking for small get a NFA stamp for a SBR or build a pistol. I've had a bit of a hard time finding an upper length off of the internet. Buffer tube is non-negotiable however. 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