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 Dissent Mk3 6.5mm Creedmoor 20 inch Upper Receiver 1-8 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote/Hard Coat Anodized Titanium$1,349.00
Out of stock
Free shipping over $49
Optics Planet
CMMG MkG .45 ACP Banshee Fixed Ejection Upper Group Receiver 5in 1-16 Twist 0.578x28 TPI .750in Armor Black$849.99
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR .40 S&W Billet Pistol 4in Barrel Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle Black$389.99
Out of stock
Free shipping over $49
Optics Planet
CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Tungsten$849.99
Out of stock
Free shipping over $49
Optics Planet
Bear Creek Arsenal BC15 .300AAC 16in Right Upper Receiver Heavy Carbine 1-8 5/8x24 Flash Hide Parkerized ODG$319.99
Out of stock
Free shipping over $49
Optics Planet
Guntec USA AR .308 Stripped Billet Upper Receiver Gen 2 Raw$149.99
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/Sniper Green$1,244.00
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
WMD Guns Upper Assembly Billet AR-15 MLOK HG 15in NiB-X Nickel$749.99
Out of stock
Free shipping over $49
Optics Planet
POF USA P415 Edge Upper Receiver Assembly .300 AAC Blackout 34 in Length 10.5 in Barrel 5 Position Adjustable M-Lok MRR Three-Prong Flash Hider Olive$1,442.00
Out of stock
Free shipping over $49
Optics Planet
Rock River Arms BT-3 Completed Upper Receiver 6.5mm Creedmoor 28in 20in Barrel Standard SS Fluted Profile 1-10 Twist 5/8x24 Thread M-LOK Handguard$1,059.00
Out of stock
Free shipping over $49
Optics Planet
Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver 7.62x39 Hate Brake 5/8-24 Thread 5.5in Barrel Black$1,165.50
Out of stock
Free shipping over $49
Optics Planet
Stag Arms AR-10 Stag 10 Upper Receiver Stripped .210 DPMS High Profile Left Hand Type 3 Hard Coat Anodized Black$149.99
Out of stock
Free shipping over $49
Optics Planet
Luth-AR 18 in MARK12 Complete Upper Barrel Assembly MLOK Black 18$432.35
Out of stock
Free shipping over $49
Optics Planet
Ghost Firearms Elite 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$309.99
Out of stock
Free shipping over $49
Optics Planet
DEMO Daniel Defense Upper Receiver w/ Flash Hider Assembly DD4 RIIIS URG 5.56x45 20.5in 11.5in BRRL Gov Profile Carbine 1-7 1/2x28 M-LOK Flash$1,379.00
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR-15 Micro Pistol Build 5.56x45mm NATO 5in Barrel 4in M-LOK Handguard Upper Receiver Red$389.99
Out of stock
Free shipping over $49
Optics Planet
CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Sniper Grey$829.99
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR .40 S&W Pistol 4in Barrel M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle Flat Dark Earth$389.99
Out of stock
Free shipping over $49
Optics Planet
CMMG DISSENT Upper Receiver 9mm 10.5in 1-10 Twist 1/2x28 Thread Zeroed Linear Compensator Coyote Tan$1,199.00
Out of stock
Free shipping over $49
Optics Planet
ZEV Technologies Glock Gen 1-4 9mm Luger Upper Parts Kit$154.84
Out of stock
Free shipping over $49
Optics Planet
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver Tungsten$389.99
Out of stock
Free shipping over $49
Optics Planet
V Seven Gi Heavy 556/223 Complete Upper 16in 16HR GI-UR$1,632.51
Out of stock
Free shipping over $49
Optics Planet
Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 11.5in Government Carbine Length 1 in 7 1/2 x 28 10.3in A2 Flash Hider Anodized OD Green$549.99
Out of stock
Free shipping over $49