Steamboat Springs, Colorado · Open 6 days · (970) 879-7565

Ships to your FFL nationwide · Transfers welcome · Hunting & camp gear → Elk River Sports

AR15 Uppers

Complete or upgrade your AR-15 with our high-quality upper receivers. Available in a variety of calibers, lengths, and configurations, our uppers provide durability, accuracy, and reliable performance for any shooting application. Find the perfect AR-15 upper today at Elk River Guns!

Showing 1–20 of 311 results

In stock in Steamboat 4

In Steamboat now

Geissele Super Duty MOD1 Complete Upper — 5.56 NATO, 11.5″

.223 REM/5.56 NATO · 11.5"

$1,449.99

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UPC 810081133722
In Steamboat now

Ruger

AR UPPER RECEIVER STRIPPED

$99.99

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UPC 736676910045
In Steamboat now

Fail Zero

FZ AR15 BCG NO HAMMER MATTE

$179.99

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UPC 094922014368
In Steamboat now

KAK Industry

KAK K-SPEC ENH AR BOLT 556/300BLK PH

$89.99

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UPC 811163035743
Geissele Automatics

Geissele URG-I Upper Receiver — 5.56 NATO, 14.5″ Barrel

.223 REM/5.56 NATO · 14.5" · .223 REM/5.56 NATO

$1,599.00

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UPC 817953023198
Alexander Arms

ALEX PISTOL UPPER 50BEO 12 BLK

$987.00

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UPC 819511021561
Alexander Arms

UTA65 Tactical Complete Upper 6.5 Grendel 16" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15

6.5mm Grendel · 16" · 6.5mm Grendel

$874.00

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UPC 819511021936
Larue Tactical

LARUE LT-018 22" 6.5CRD MATCH GRADE UPPER

$1,999.99

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UPC 810143180121
Dpms

DR-15 Oracle II Slick Side Complete Upper 5.56 NATO 16" M-LOK

$344.00

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UPC 810141220676
Cobalt Kinetics

CKPROURG13SFDE CK-Pro Urg Aluminum Flat Dark Earth Cerakote Receiver

$864.00

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UPC 850060560453
Cobalt Kinetics

COBALT CK-PRO-URG-675-S-CKG 6.75" URG CKG

$864.00

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UPC 850060560309
Black Rain Ordnance

BLACK RAIN UPPER 458SOCOM 16" BLK

.458 Socom · 16"

$1,040.00

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UPC 707129994059
Sharps Bros

SBUR04 Billet Upper Upper Receiver, 7075-T6 Aluminum w/Mil-Spec Anodized Finish, Stripped w/Forward Assist & Dust Cover For .223/5.56/.224 Valkyrie/300 BLK/6.5 Grendel Caliber AR-15

$254.00

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UPC 850869008835
Noveske

N4 AFGHAN UPPER 556 14.5PW

.223 REM/5.56 NATO · 14.5"

$1,751.00

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UPC 840906135822
Noveske

N4 INFIDEL UPPER 556 13.7PW

.223 REM/5.56 NATO · 13.7"

$1,751.00

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UPC 840906135723
Faxon

BBL AR15 DUTY GUNNER 300BLK 7.5

.300 AAC Blackout · 7.5''

$157.00

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UPC 816341023208
Stern Defense

STERN 006-9MM BARREL16.1INCH-D1-M

9mm

$146.00

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UPC 850001176392
Stern Defense

STERN 006-9MM BARREL10.5INCH-D1-M

9mm

$136.00

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UPC 850001176323
Alexander Arms

ALEX 50BEO TACTICAL UPPER 16 TB BLK 7RD MAG

.50 Beowulf · 16" · .50 Beowulf

$947.00

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UPC 819511021660
Andro Corp

ACI U3008ML 300BO 8" MLOK UPPER

$446.25

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UPC 736684144784