Start a build Log in

Parts by category

Upper Receiver

1511 products · page 33 of 51

Filters
Color
Type
Platform
Barrel length
Gas system
Manufacturer
89 more
Price
to
Reset

Filters
Product TypeColorPlatform Best price
Barreled Upper Receiver Assembly, 300 AAC, BLK, Silencerco, JAKLPalmetto State ArmoryComplete · Black · AR-15CompleteBlackAR-15$829.991 store
Barreled Upper Receiver Assembly, 300 AAC,14.5", BLK, No Muzzle DevicePalmetto State ArmoryComplete · Black · AR-15CompleteBlackAR-15$799.991 store
Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, BlackBattle Arms DevelopmentBlack · AR-15—BlackAR-15$824.003 storesIn stock
Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, BlackBattle Arms DevelopmentBlack · AR-15—BlackAR-15$824.003 storesIn stock
Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, BlackBattle Arms DevelopmentBlack · AR-15—BlackAR-15$692.954 storesIn stock
Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, BlackBattle Arms DevelopmentBlack · AR-15—BlackAR-15$659.993 storesIn stock
Blem H&R 606 20" 5.56 NATO Upper, BlackHarrington & RichardsonBlack · AR-15—BlackAR-15$749.991 store
Blem Harrington & Richardson 733 Pistol Upper, 5.56, 17 Gray, C7Harrington & RichardsonGrey · AR-15—GreyAR-15$679.991 store
Blem Harrington & Richardson 9mm Stripped Upper Receiver, GrayHarrington & RichardsonStripped · Grey · AR-9StrippedGreyAR-9$140.001 store
Blem Harrington & Richardson Retro 723 16" AR-15 Upper 5.56 1:7 Carbine LengthHarrington & RichardsonAR-15——AR-15$599.991 store
Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:12 Rifle Length, GrayHarrington & RichardsonGrey · AR-15—GreyAR-15$679.991 store
Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:7 Rifle Length, GrayHarrington & RichardsonGrey · AR-15—GreyAR-15$679.991 store
Blem PSA JAKL Rifle Upper Assembly 13.7" 5.56 NATO 1:7 Nitride With BCG, Bolt Catch & Roll PinPalmetto State ArmoryAR-15——AR-15$829.991 store
CMMG Dissent 10.50" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Pistol-Length with Charging Handle - Armor BlackCMMGBlack · AR-15—BlackAR-15$1,024.995 storesIn stock
CMMG Dissent 6.50" Upper .300 AAC Blackout with 1:7 Twist Rate and M-LOK Rail - Pistol-Length with Charging Handle - Armor BlackCMMGBlack · AR-15—BlackAR-15$1,100.993 storesIn stock
CMMG Dissent 6.50" Upper 9mm with 1:10 Twist Rate and M-LOK Rail - Pistol-Length with Charging Handle - Armor BlackCMMGBlack · AR-9—BlackAR-9$1,099.994 storesIn stock
CMMG Resolute MK4 .350 Legend Upper with 16.1" Barrel, BlackCMMGBlack · AR-15—BlackAR-15$849.996 storesIn stock
CMMG Resolute MK4 6mm ARC Upper with 16.1" Barrel, BlackCMMGBlack · AR-15—BlackAR-15$799.994 storesIn stockSale
DPMS "Kitty Kat" 7.5" 300AAC 6.5" Quad-Rail Upper w/ BCG & CHDPMSAR-15——AR-15$371.572 storesIn stockSale
DPMS "Kitty Kat" 7.5" 5.56 6.5" Quad-Rail UpperDPMSAR-15——AR-15$385.004 storesIn stockSale
DPMS AR-15 MOE PPT Lower Build KitDPMSAR-15——AR-15$109.992 stores
DPMS DR-15 Oracle II Slick Side 16" 5.56 NATO M-LOK UpperDPMSAR-15——AR-15$324.443 storesIn stockSale
Daniel Defense AR15 10.3" 5.56 NATO MK18 RIII URGDaniel DefenseAR-15——AR-15$1,465.074 storesIn stockSale
Daniel Defense AR15 10.3" 5.56 NATO MK18 RIII URG, FDEDaniel DefenseFlat Dark Earth · AR-15—Flat Dark EarthAR-15$1,527.004 storesIn stockSale
Daniel Defense AR15 14.5" 5.56 NATO M4A1 RIII URGDaniel DefenseAR-15——AR-15$1,499.002 storesSale
Daniel Defense AR15 14.5" 5.56 NATO M4A1 RIII URG, FDEDaniel DefenseFlat Dark Earth · AR-15—Flat Dark EarthAR-15$1,476.003 storesIn stock
Daniel Defense DD4 RIII 16" Upper 5.56x45mm 1:7 M-LOK Mid-Length, Flat Dark EarthDaniel DefenseFlat Dark Earth · AR-15—Flat Dark EarthAR-15$1,476.004 storesIn stock
Daniel Defense M4A1 FSP 14.50" Carbine-Length Upper 5.56x45mm 1:7 Quad Rail with BCG and CH, Flat Dark Earth - Tactical PrecisionDaniel DefenseFlat Dark Earth · AR-15—Flat Dark EarthAR-15$1,629.006 storesIn stockSale
H&R 606 20" 5.56 NATO Upper, BlackHarrington & RichardsonBlack · AR-15—BlackAR-15$799.991 store
H&R AR-15 605 5.56 15.3" Complete Upper w/ BCG & CH, GrayHarrington & RichardsonComplete · Grey · AR-15CompleteGreyAR-15$679.991 store
Show 30 more