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
POF USA Rogue Upper Receiver Assembly Rifle Length 14in Handguard 20in Barrel 5/8x24 M-LOK Micro B Muzzle Break Patriot Brown$1,511.00
Out of stock
Free shipping over $49
Optics Planet
Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS S-ONE M-LOK$654.99
Out of stock
Free shipping over $49
Optics Planet
Aero Precision M4E1-T 5.56x45 13.5 inch MOD 4 Upper Receiver Government Mid Length 1 in 7 Twist A2 Bird Cage Kodiak Brown$649.99
Out of stock
Free shipping over $49
Optics Planet
CMMG Upper Group Dissent 9Mm 16.1in Empire Profile Non-Threaded Midnight Bronze$1,299.00
Out of stock
Free shipping over $49
Optics Planet
Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE$684.99
Out of stock
Free shipping over $49
Optics Planet
Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Pink$129.99
Out of stock
Free shipping over $49
Optics Planet
CMMG UPPER GROUP DISSENT Mk4 5.56mm 16.1in Empire Profile Non-Threaded Coyote Tan$1,299.00
Out of stock
Free shipping over $49
Optics Planet
Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black$739.99
Out of stock
Free shipping over $49
Optics Planet
CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Charcoal Green$909.99
Out of stock
Free shipping over $49
Optics Planet
Bear Creek Arsenal BC-15 7.62x39 16in Right Side Upper Receiver Heavy Carbine 1-10 1/2x28 Flash Hider Parkerized ODG$309.99
Out of stock
Free shipping over $49
Optics Planet
CMMG MkGs .40 S&W Banshee Upper Group Receiver 8in Charcoal Green$839.99
Out of stock
Free shipping over $49
Optics Planet
Grid Defense Complete Upper Receiver 7.62x39 16 inch Carbine Length 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Free Float Hand Guard A2 Flash$319.99
Out of stock
Free shipping over $49
Optics Planet
CMMG MkG .45 ACP Resolute Upper Group Receiver 16.1in Sniper Grey$919.99
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 Robbin Egg Blue 1-NIBXUF-Robbin Egg Blue$139.99
Out of stock
Free shipping over $49
Optics Planet
Mean Arms Bearing Delay AR-15 9mm 16in/14.5in Upper Receiver 1/2x28 Black$1,639.00
Out of stock
Free shipping over $49
Optics Planet
CMMG Dissent Mk3 .308 Winchester 12.5 inch Upper Receiver 1-10 Twist 5/8 x 24 ZEROED Linear Compensator Cerakote/Hard Coat Anodized$1,159.00
Out of stock
Free shipping over $49
Optics Planet
Guntec USA AR .308 Stripped Billet Upper Receiver w/15in Ultralight Series M-Lok Handguard Flat Dark Earth$269.99
Out of stock
Free shipping over $49
Optics Planet
CMMG Dissent Mk3 8.6 Blackout 16.1 inch Upper Receiver 1-3 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote or Hard Coat Anodized Charcoal Green$1,349.00
Out of stock
Free shipping over $49
Optics Planet
Aero Precision M5E1 .308 Winchester 20 inch M-LOK Upper Receiver SS Rifle Length 1-10 Twist 5/8x24 15in Free-Float Handguard Cerakote FDE$694.99
Out of stock
Free shipping over $49
Optics Planet
Chiappa Firearms M4-22 Gen II .22 Long Rifle 16in Picatinny Upper Receiver BBL 1/2x28 Threaded 28 Round Magazine Black$265.99
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR-15 .300 AAC Blackout Micro Pistol 5in Barrel Custom 5in Top Cut Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging$329.99
Out of stock
Free shipping over $49
Optics Planet
Dark Storm Industries DS-15 Typhoon AR-15 5.56x45mm NATO 14.5in 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
Grid Defense Complete Upper Receiver 5.56mm 10.5 inch Carbine Length 4150 Steel M4 Barrel 1-7 Twist A2 Flash Hider Tungsten Gray$309.99
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 Olive Drab Green$389.99
Out of stock
Free shipping over $49