Unknown Upper Receivers
We track 107 Unknown upper receivers across 30+ retailers, starting at $58 — 10 of the 24 shown are in stock right now. Prices update automatically, so what you see is today’s price rather than a figure someone typed into an article months ago.
Prices checked · refreshed daily
VKTR Industries VK-1 Piston AR-15 13.7" 5.56 NATO Complete Upper w/ Pinned SOLGW NOX$1899.00
VKTR Industries VK-1 Piston AR-15 16" 5.56 NATO Complete Upper$1799.00
VKTR Industries VK-1 Piston AR-15 10.5" 5.56 NATO Complete Upper$1799.00
One Horse 18" 6mm ARC Rifle 1:7.5 M-LOK Complete Upper$499.99
Dirty Bird 10.5″ Government Carbine 5.56 M-LOK Upper Assembly$429.95
One Horse 16" 5.56 SOCOM Midlength 1:8 M-LOK Complete Upper$319.99
NBS 16″ 5.56 NATO Pencil Midlength Lightweight M-LOK Upper Assembly$299.95
MVB Pistol Caliber Billet Upper Receiver - Blem$145.95
Dirty Bird AR-15 Stripped Upper Receiver$71.95
SOTA Arms AR-15 Big Bore Stripped Upper Receiver – Large Bore Port – Billet Aluminum$58.00
Brownells BRN-180S AR-15 10" .300BLK Complete UpperCheck price
CMMG Banshee 300 MkGs 9mm AR Complete Upper - 5"$559.36
CMMG Banshee 200 MkGs 9mm AR Complete Upper with SV Muzzle Brake - 8"$629.45
M16A1 C7 Assembled Upper Receiver w/ Brass DeflectorCheck price
KGM ISURG 5.56 16 in Integrally Suppressed Upper - Black$1845.00
Dirty Bird 16" RECCE V2 .223 Wylde M-LOK Upper Assembly$719.95
Dirty Bird 20" M16A2 Enhanced 5.56 Retro Upper Assembly$649.95
Dirty Bird 16″ Government Midlength 5.56 M-LOK Left-Handed Complete Upper$629.95
NBS 18" .223 Wylde 1:8 Complete Upper$616.95
Dirty Bird 16″ SPR 6mm ARC Stainless Midlength M-LOK Complete Upper$529.95
NBS 16" Lightweight Slick Slide Billet .223 Wylde Mid-Length 1:8 M-LOK Complete Upper$509.95
Dirty Bird 16″ GUNNER Carbine 350 Legend M-LOK Upper Assembly$489.95
Dirty Bird 14.5″ Pin & Weld Government V2 5.56 M-LOK Upper Assembly$469.95
Dirty Bird 13.7" Government Midlength .223 Wylde M-LOK V3 Upper Assembly$439.95
See all 107 Unknown upper receivers →