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
CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Coyote Tan$829.99
Out of stock
Free shipping over $49
Optics Planet
POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Carakote Burnt Bronze$1,276.00
Out of stock
Free shipping over $49
Optics Planet
CMMG 9mm Banshee Upper Group Receiver 8in Tungsten$839.99
Out of stock
Free shipping over $49
Optics Planet
Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider$729.99
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR-15 .223 5.56 Complete Build 16in Barrel 15in Lightweight Hybrid M-LOK Handguard Upper Receiver 1-10 Twist 1/2x28 A2 Style Muzzle$389.99
Out of stock
Free shipping over $49
Optics Planet
CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Tungsten$799.99
Out of stock
Free shipping over $49
Optics Planet
Aero Precision M4E1-T Complete Upper Receiver Threaded 5.56x45mm Mid Pencil 16in Barrel ATLAS S-ONE 15in Handguard M-LOK Cerakote Flat Dark Earth$569.99
Out of stock
Free shipping over $49
Optics Planet
Guntec USA AR .308 Gen 2 Stripped Billet Upper Receiver Rainbow$229.99
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR-15 .300 AAC Blackout Micro Pistol 5in Barrel M-LOK Handguard Upper Receiver w/BCG And Charging Handle Black$329.99
Out of stock
Free shipping over $49
Optics Planet
M2 Armament Group AR-15 Streamline 16in Upper Receiver Black$250.00
Out of stock
Free shipping over $49
Optics Planet
APF Armory AR-10 Stripped Upper Receiver Black$379.00
Out of stock
Free shipping over $49
Optics Planet
V Seven LR Enlightened 300Blkout Complete Upper 8.25in 8.25LR ENLI300SBR-UR$1,935.15
Out of stock
Free shipping over $49
Optics Planet
CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 12.5in Charcoal Green$799.99
Out of stock
Free shipping over $49
Optics Planet
WMD Guns AR-15 A3/A4 Upper Receiver Forged w/M4 Feed Ramps Stripped NiB-X Battle Grey 1-NIBXUF-Battle Grey$139.99
Out of stock
Free shipping over $49
Optics Planet
CMMG DISSENT Mk4 5.56x45mm NATO 10.5in Upper Receiver 1-7 Twist .750in 1/2 X 28 TPI Coyote Tan$1,199.00
Out of stock
Free shipping over $49
Optics Planet
Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver 300 BLK NATO Hate Brake 5/8-24 Thread 5.5in Barrel Black$1,165.50
Out of stock
Free shipping over $49
Optics Planet
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/13.2in SAR3 Rail w/ Vortex$902.70
Out of stock
Free shipping over $49
Optics Planet
XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish$289.99
Out of stock
Free shipping over $49
Optics Planet
CMMG Mk3 .308WIN Resolute Upper Group Receiver 16.1in Charcoal Green$1,009.00
Out of stock
Free shipping over $49
Optics Planet
CMMG Upper Receiver Assembly Mk3/.308WIN Titanium Titanium$329.99
Out of stock
Free shipping over $49
Optics Planet
Stag Arms AR-15 A3 Flattop Upper Receiver Stripped Direct Impingement Type 3 Hard Coat Anodized Left Hand Black$89.99
Out of stock
Free shipping over $49
Optics Planet
Grid Defense Complete Upper Receiver 7.62x39 10.5 inch Carbine Length 4150 Steel Light HBAR Barrel 1-10 Twist A2 Flash Hider Blue Titanium$309.99
Out of stock
Free shipping over $49
Optics Planet
Colt 223 Rem/ 556 NATO M4 Feed Ramps Upper Black$169.99
Out of stock
Free shipping over $49
Optics Planet
WMD Guns Upper Assembly Billet .308 Carbine MLOK HG 15in 18in Barrel NiB-X Nickel$1,019.00
Out of stock
Free shipping over $49