.223 Wylde uppers will shoot both 5.56 Nato and .223 Rem ammo. 5.56 Nato Complete Uppers; 223 ⦠We are seriously excited about every single one of the AR15 Upper Receivers we feature on OpticsPlanet.com. If you are looking for small get a NFA stamp for a SBR or build a pistol. I was curious what the overall length of a standard AR15 upper assembly with 16inch barrel length. 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've had a bit of a hard time finding an upper length off of the internet. AR 15 Rifle Length Upper Receiver for sale Assembly Complete 5.56 NATO 5.56x45 223 Wylde ar15 Ghost Firearms .223/5.56 Upper . Best 16â³ AR-15 Upper Receiver Assemblies. Price: $525.00 View product. These are the most popular upper receivers since they are in the sweet spot of 16â³ barrels that is the minimum barrel length for a rifle under the National Firearms Act (NFA). We check head space and test fire each complete ar-15 upper assembly when ordered with bcg and charging handle. AR15 Anodized Handguards; AR15 Cerakoted Handguards; Two Piece Handguards; AR15 Barrels. I did see somehwere a barrel-less upper was around 7inches or so which would be 23 OAL on the upper⦠There are more reasons than ever before to shop at OpticsPlanet.com. 5.56 / 223 Barreled Ar15 Upper Receiver Asseblies. 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. Plenty of info on the OAL of am adjustable stock M4. However, weâll still include some 14.5â³ barrel uppers that have muzzle devices pinned and welded to meet the length. Wolf A1 AR15 Upper T91 16" Misc AR15 & Parts. AR15 Upper Receivers; AR15 Handguards. Wolf A1 AR15 Upper T91 Gas Piston Operating System , Click image for details. Either option allows the use of a sub 16" barrel. Complete 5.56 Upper Receiver are available in 7.5" and 10.5" for your pistol upper and 16" for rifle uppers. 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. 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 ⦠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 ⦠Stag Arms .224 Valkyrie AR15 Complete Upper Receiver for sale, Click image for details. Virtually all of our uppers for sale have the parts in stock and are built to order by us. Search by caliber, barrel and rail length, manufacturer, finish, and more. Price: $699.00 View product. 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 Check out the vastest selection of AR-15 Stripped Upper Receivers for AR-14. Buffer tube is non-negotiable however. Upper receiver plus buffer extension tube on lower will add about 20" to OAL. 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 canât hunt with the standard 5.56 NATO (.223) caliber.