Upper Assemblies

Have your local gun shop email copy of their FFL to admin@alpinerange.com. Thank you

1
2
Next

DPMS DP51655207090 KITTY KAT 556 7.5" 6.5" QUAD — DPMS PANTHER ARMS

DPMS DP51655207090 KITTY KAT 556 7.5" 6.5" QUAD

$507.29 $416.70

Compare

Add to Cart

LUTH-AR BA-11-7M 1.5" LW 1-7 COMPLETE BRRL ASSY — Luth-AR

LUTH-AR BA-11-7M 1.5" LW 1-7 COMPLETE BRRL ASSY

$517.93 $414.34

Compare

Add to Cart

DPMS DP51655189388 KITTY KAT 300BO 7.5"C7 UPPER — DPMS PANTHER ARMS

DPMS DP51655189388 KITTY KAT 300BO 7.5"C7 UPPER

$622.69 $511.50

Compare

Add to Cart

Stern Defense 015SD8INCHMOD5MLOK6INC 45ACP 6" Black Melonite Barrel Aluminum Anodized Receiver — STERN DEFENSE

Stern Defense 015SD8INCHMOD5MLOK6INC 45ACP 6" Black Melonite Barrel Aluminum Anodized Receiver

$644.15 $555.12

Compare

Add to Cart

HK UPPER MR556A4 5.56 16.5" BLK — Heckler & Koch

HK UPPER MR556A4 5.56 16.5" BLK

$2,507.40 $2,179.00

The MR556 upper receiver kit has been updated to include all the new A4 features, including new barrel profile, adjustable gas block, handguard and more. This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style...

Compare

Add to Cart

LBE AR125RBK READY BUILD KIT 12.5 CHF BBL — LBE Unlimited

LBE AR125RBK READY BUILD KIT 12.5 CHF BBL

$618.80 $495.04

Compare

Add to Cart

HK 51000385 UPPER RECEIVER KIT MR556A4 11" — Heckler & Koch

HK 51000385 UPPER RECEIVER KIT MR556A4 11"

$2,507.40 $2,179.00

Compare

Add to Cart

Angstadt Arms AAUMDP0906 MDP-9 Roller Delayed 9mm 5.85" Black Type III Hard Coat Anodized Barrel — Angstadt Arms

Angstadt Arms AAUMDP0906 MDP-9 Roller Delayed 9mm 5.85" Black Type III Hard Coat Anodized Barrel

$1,865.92 $1,655.00

The MDP-9 is designed to be light, small, yet fully functional, offering a revolutionary roller delay action that reduces recoil. Gain the peace of mind and confidence needed for protection in any situation, with the perfect balance of size and strength.

Compare

Add to Cart

LBE AR75RBK READY BUILD KIT 7.5 CHF BBL — LBE Unlimited

LBE AR75RBK READY BUILD KIT 7.5 CHF BBL

$534.76 $427.81

Compare

Add to Cart

LBE AR137RBK READY BUILD KIT 13.7 CHF BBL — LBE Unlimited

LBE AR137RBK READY BUILD KIT 13.7 CHF BBL

$618.80 $508.30

Compare

Add to Cart

Fightlite Industries MCR556DFRS 5.56x45mm NATO 12.50" 7075-T6 Aluminum MIL-STD 1913 Rail Handguard — FIGHTLITE INDUSTRIES

Fightlite Industries MCR556DFRS 5.56x45mm NATO 12.50" 7075-T6 Aluminum MIL-STD 1913 Rail Handguard

$7,545.99 $6,599.99

Compare

Add to Cart

SOLGW E INDIA KIT V2 5.56 16" BLK — Sons of Liberty Gun Works

SOLGW E INDIA KIT V2 5.56 16" BLK

$500.00 $475.00

The East India Starter Kit is a building block for any build you wish to do. Properly assembled with a USGI barrel nut, this is a great way to finish assembling your own upper without having to know how to install a barrel and gas block.Features :No...

Compare

Add to Cart

PWS MK116 MOD 1-M UPR 16" 762X39 BLK — Primary Weapons Systems

PWS MK116 MOD 1-M UPR 16" 762X39 BLK

$1,209.95 $1,129.95

The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a...

Compare

Add to Cart

Fightlite Industries MCR556DFR 5.56x45mm NATO 16.25" 7075-T6 Aluminum MIL-STD 1913 Rail Handguard — FIGHTLITE INDUSTRIES

Fightlite Industries MCR556DFR 5.56x45mm NATO 16.25" 7075-T6 Aluminum MIL-STD 1913 Rail Handguard

$7,545.99 $6,599.99

The groundbreaking MCR (Mission Configurable Rifle) belt-fed upper receiver assembly is designed to interchange with standard AR/M4 type uppers and readily fits any MIL-Spec lower receiver without permanent modification to the host lower, and is rearward...

Compare

Add to Cart

Ge Super Dty Mod1 5.56 13.9" Urg Ddc — Geissele Automatics

Ge Super Dty Mod1 5.56 13.9" Urg Ddc

$1,438.20

Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...

Compare

Add to Cart

Sons Of Liberty Gun Works L89, Solgw M4l89upper13.7556xl L89 Upper 556 13.7 V2 — Sons of Liberty Gun Works

Sons Of Liberty Gun Works L89, Solgw M4l89upper13.7556xl L89 Upper 556 13.7 V2

$1,000.00 $950.00

Caliber: 5.56 NATO

Compare

Add to Cart

Rise Armament , Rise Ra-22arc-cu-brn-18 Ar15 Cmpt Upper 22arc Brn — Rise Armament

Rise Armament , Rise Ra-22arc-cu-brn-18 Ar15 Cmpt Upper 22arc Brn

$1,199.00 $999.00

Compare

Add to Cart

Rise Armament , Rise Ra-22arc-cu-gry-18 Ar15 Cmpt Upper 22arc Gry — Rise Armament

Rise Armament , Rise Ra-22arc-cu-gry-18 Ar15 Cmpt Upper 22arc Gry

$1,037.93 $999.00

Compare

Add to Cart

Rise Armament , Rise Ra-6arc-cu-blk-18 Ar15 Cmpt Upper 6arc Blk — Rise Armament

Rise Armament , Rise Ra-6arc-cu-blk-18 Ar15 Cmpt Upper 6arc Blk

$1,199.00 $999.00

Compare

Add to Cart

Rise Armament , Rise Ra-6arc-cu-gry-18 Ar15 Cmpt Upper 6arc Gry — Rise Armament

Rise Armament , Rise Ra-6arc-cu-gry-18 Ar15 Cmpt Upper 6arc Gry

$1,037.93 $999.00

Compare

Add to Cart

Ge Super Dty Mod1 5.56 14.5" Urg Blk — Geissele Automatics

Ge Super Dty Mod1 5.56 14.5" Urg Blk

$1,285.20

Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...

Compare

Add to Cart

Cmmg Dissent, Cmmg 28b940ctng Dissent Mk4 22arc 16.1 Tung — CMMG

Cmmg Dissent, Cmmg 28b940ctng Dissent Mk4 22arc 16.1 Tung

$1,398.60 $1,098.90

Caliber: 22 ARCBarrel Length: 16.10"Twist: 1:7

Compare

Add to Cart

Tacfire Pistol Kit, Tacfire Ss-pk45acp-lpk-4 45a 4" Pst Kit W/lpk — TacFire

Tacfire Pistol Kit, Tacfire Ss-pk45acp-lpk-4 45a 4" Pst Kit W/lpk

$396.89 $334.52

Model: Pistol KitMaterial: Steel

Compare

Add to Cart

Tacfire Pistol Kit, Tacfire Ss-pk556-lpk-10 556 10.5" Pst Kit W/lpk — TacFire

Tacfire Pistol Kit, Tacfire Ss-pk556-lpk-10 556 10.5" Pst Kit W/lpk

$387.17 $326.33

Model: Pistol KitMaterial: Steel

Compare

Add to Cart

Stern Defense , Stern 015-sd4inchmod4mlok4inchbarrel9mm-kk — STERN DEFENSE

Stern Defense , Stern 015-sd4inchmod4mlok4inchbarrel9mm-kk

$519.09 $443.48

Compare

Add to Cart

Stern Defense , Stern 015-sd10inchmod5mlok8.5inchbarrel9mm-kk — STERN DEFENSE

Stern Defense , Stern 015-sd10inchmod5mlok8.5inchbarrel9mm-kk

$544.82 $498.56

Includes: stern defense 10 inch m-lok rail(barrel nut, bolts etc.) stern defense 8.5 inch 9mm barrel.Sd hbc 9mm blast can.Stern defense assembled upper receiver with dust cover and forward assist.Stern defense sd bu9 glock cut bolt.Sd ch1 enhanced...

Compare

Add to Cart

Cmmg Resolute, Cmmg 28b260csg Resolute Mk4 22arc 16.1 Sngry — CMMG

Cmmg Resolute, Cmmg 28b260csg Resolute Mk4 22arc 16.1 Sngry

$936.22 $735.60

Designed to provide consistent function from the ar-15 platform, 22 arc delivers 22-250 levels of ballistic performance in the mk4 (ar15) lineup.Caliber: 22 ARCBarrel Length: 16.10"Barrel Material: 4140 SteelTwist: 1:7Handguards: 15" M-LOK

Compare

Add to Cart

Stern Defense , Stern 015-sd15inchmod5mlok16.1inchbarrel45acp-kk — STERN DEFENSE

Stern Defense , Stern 015-sd15inchmod5mlok16.1inchbarrel45acp-kk

$710.21 $624.12

Includes: stern defense 15 inch m-lok rail(barrel nut, bolts etc.) stern defense 16.1 inch 45acp barrel.Sd cb45 compensator break.Stern defense assembled upper receiver 45 with dust cover and forward assist.Stern defense sd bu45 glock cut bolt.Sd ch1...

Compare

Add to Cart

Stern Defense , Stern 015-sd15inchmod4mlok16.1inchbarrel9mm-kk — STERN DEFENSE

Stern Defense , Stern 015-sd15inchmod4mlok16.1inchbarrel9mm-kk

$609.78 $524.45

Includes: stern defense 15 inch m-lok rail(barrel nut, bolts etc.) stern defense 16.1 inch 9mm barrel.Scb 9 compensator break.Stern defense assembled upper receiver with dust cover and forward assist.Stern defense sd bu9 glock cut bolt.Sd ch1 enhanced...

Compare

Add to Cart

Cmmg Dissent, Cmmg 28b940csg Dissent Mk4 22arc 16.1 Sngry — CMMG

Cmmg Dissent, Cmmg 28b940csg Dissent Mk4 22arc 16.1 Sngry

$1,398.60 $1,098.90

Caliber: 22 ARCBarrel Length: 16.10"Twist: 1:7

Compare

Add to Cart

Tacfire , Tacfire Bu-45acp-10 45a Upper 10" W/bcg — TacFire

Tacfire , Tacfire Bu-45acp-10 45a Upper 10" W/bcg

$370.97 $312.68

The tacfire 10".45 acp complete upper assembly amplifies precision and performance utilizing an upper assembly that is expertly designed for maximal functionality.Dive into a world where impeccable features and craftsmanship merge, ensuring precision and...

Compare

Add to Cart

Tacfire , Tacfire Bu-76239-5 762x39 Pst Uppr 5"w/bcg — TacFire

Tacfire , Tacfire Bu-76239-5 762x39 Pst Uppr 5"w/bcg

$387.17 $326.33

The tacfire 5" 7.62 x 39 complete upper assembly amplifies precision and performance utilizing an upper assembly that is expertly designed for maximal functionality.Dive into a world where impeccable features and craftsmanship merge, ensuring precision...

Compare

Add to Cart

Tacfire , Tacfire Bu-45acp-4 45a Upper 4" W/bcg — TacFire

Tacfire , Tacfire Bu-45acp-4 45a Upper 4" W/bcg

$354.77 $299.02

Caliber: 45 ACPBarrel Length: 4"Twist: 1:16"Barrel Length Range: 4" to 4.99"

Compare

Add to Cart

Tacfire Pistol Kit, Tacfire Pk45acp-lpk-10 45a 10" Pst Kit W/lpk — TacFire

Tacfire Pistol Kit, Tacfire Pk45acp-lpk-10 45a 10" Pst Kit W/lpk

$413.08 $348.17

Includes: (1).45acp 10" barrel usa made (1) 45acp bolt carrier group (1) slick side upper receiver usa made (1) slim free float mlok hand guard 10" (1) complete lower parts kit usa made (1) standard receiver end plate (1) mil-spec/commercial castle...

Compare

Add to Cart

Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper, 300 Blackout 16", Black, Aluminum Rec, 12.50" M-LOK Handguard — Rock River Arms

Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper, 300 Blackout 16", Black, Aluminum Rec, 12.50" M-LOK Handguard

$868.00 $704.39

Caliber:.300 aac blackout, upper receiver:forged a4, barrel:16-inch chrome moly, 1:8 twist, muzzle device:smith vortex flash hider / 5/824 thread, gas block:low profle gas block, handguard:rra 12.5 inch lightweight free float rail, m-lok compatible,...

Compare

Add to Cart

Lantac Recon Upper 223 Wylde 16 — LanTac

Lantac Recon Upper 223 Wylde 16

$1,322.99 $1,190.99

Lantac Usa Llc Sf15 Recon, Complete Upper Receiver, 223 Wylde, 16" Barrel, Fits Ar15, Anodized Finish, Black 01-fa-223-recon-uprModel: ReconFinish/Color: AnodizedFit: AR-15Caliber: 223 Wylde

Compare

Add to Cart

Vktr Industries , Vktr V40273410001rp Frgd Upper 16 Armblk — VKTR INDUSTRIES

Vktr Industries , Vktr V40273410001rp Frgd Upper 16 Armblk

$1,851.16 $1,799.00

Barrel Length: 16"

Compare

Add to Cart

Luxus Arms (hm Defense) Monobloc, Hm Defense 16mbup556 16 Monobloc Rifle Upper — Luxus Arms

Luxus Arms (hm Defense) Monobloc, Hm Defense 16mbup556 16 Monobloc Rifle Upper

$832.64 $654.21

The monobloc upper features a hm barrel with an integral machined patented gas block, and a carbine gas system.It is also 4150 chromoly, match grade, tripled honed, and button rifled.Its handguard is free-floating and uses a picatinny rial, magpul m-lok,...

Compare

Add to Cart

Radian Weapons Model 1, Radn R0473 Compl Upper 16 223w Fde — Radian Weapons

Radian Weapons Model 1, Radn R0473 Compl Upper 16 223w Fde

$2,358.79 $2,029.95

The complete upper is constructed of billet machined 7075-t6 aluminum with proprietary extended aluminum hand guard w/ magpul m-lok mounting system and integrated upper/hand guard stainless steel anti-rotation pin.Its match grade 416r stainless steel...

Compare

Add to Cart

Radian Weapons Model 1, Radn R0025 Compl Upper 16 223w Blk — Radian Weapons

Radian Weapons Model 1, Radn R0025 Compl Upper 16 223w Blk

$2,358.79 $2,029.95

The complete upper is constructed of billet machined 7075-t6 aluminum with proprietary extended aluminum hand guard w/ magpul m-lok mounting system and integrated upper/hand guard stainless steel anti-rotation pin.Its match grade 416r stainless steel...

Compare

Add to Cart

1
2
Next

Compare Selected

Refine by

No filters applied

Browse by & Brand Hide Filters Show Filters

Begin Halo Newsletter Popup