Upper — Best Prices Today
4,388 listings tracked · 1,677 in stock
4,388 upper listings are tracked, 1,677 of them in stock across 20 retailers. In-stock listings appear first. Each upper product page shows its current offers and recorded price history.
Optics Planet
Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten Gray$329.99
Out of stock
Free shipping over $49
Optics Planet
Guntec USA AR-15 Upper Receiver Assembly Kit Matte Rainbow Pvd Coated$123.99
Out of stock
Free shipping over $49
Optics Planet
Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Flash$289.99
Out of stock
Free shipping over $49
Optics Planet
Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled$319.99
Out of stock
Free shipping over $49
Optics Planet
Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 12.5 in$600.00
Out of stock
Free shipping over $49
Optics Planet
Spikes Tactical Upper 5.56 16in M4 LE w/7in SAR3 Rail & FSP$828.00
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol 5in Barrel M-LOK Handguard Upper Receiver w/BCG And Charging Handle Sniper Grey$349.99
Out of stock
Free shipping over $49
Optics Planet · 2 offers
Aero Precision M5E1 Enhanced Stripped Upper Receiver Kodiak Brown$199.99
Out of stock
Free shipping over $49
Optics Planet
Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Jungle Green Finish M-LOK Free-Float Handguard$2,137.50
Out of stock
Free shipping over $49
Optics Planet
Guntec USA AR-15 Upper Completion Kit Black$39.49
Out of stock
Shipping calculated in cart · free over $49
Optics Planet
Guntec USA AR .308 Stripped Billet Upper Receiver w/15in Ultralight Series M-Lok Handguard Black$229.99
Out of stock
Free shipping over $49
Optics Planet
XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish$289.99
Out of stock
Free shipping over $49
Optics Planet
Aero Precision M5 Complete Upper Receiver 22in 6.5 Creedmoor SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth$719.99
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR-15 7.62x39mm 10in Quadrail Handguard Complete Pistol Upper Receiver w/BCG And Charging Handle Flat Dark Earth$389.99
Out of stock
Free shipping over $49
Optics Planet
Dark Storm Industries DS-15 AR-15 Typhoon 5.56x45mm NATO 16in Complete Upper Receiver Mid Length 1-7 Twist 1/2x28 Cerakote Olive Drab Green$869.95
Out of stock
Free shipping over $49
Optics Planet
Aero Precision M4E1 5.56mm 16in M-LOK Upper Receiver M4 Carbine Length Barrel 1-7 Twist 1/2x28 15in M-LOK Handguard Gen 2 FDE Cerakote$614.99
Out of stock
Free shipping over $49
Optics Planet
Bilson Arms BA-15FC 338 ARC 16in Forward Complete Upper Assembly Rifle Length 1-8 Twist 5/8-24 TPI Fde/Graphite Black$1,244.00
Out of stock
Free shipping over $49
Optics Planet
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in BAR2 Rail w/ Vortex$868.50
Out of stock
Free shipping over $49
Optics Planet
Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver Chrome-Moly Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard$1,225.50
Out of stock
Free shipping over $49
Optics Planet
CMMG Resolute Mk3 8.6 Blackout 16.1 inch Upper Receiver 1-3 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote Tungsten$999.99
Out of stock
Free shipping over $49
Optics Planet
Mitchell Defense DOC 14.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard$1,225.50
Out of stock
Free shipping over $49
Optics Planet
CMMG Mk10 10mm Banshee Upper Group Receiver 8in Sniper Grey$839.99
Out of stock
Free shipping over $49
Optics Planet
CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Sniper Grey$649.99
Out of stock
Free shipping over $49