Skip to navigation Skip to content

Southwestern PA's favorite arms dealer.

Search

×

Shop
Firearms
Optics
Parts
Reloading
- Brass
- Bullets
- Primers
- Powder
- Dies
Ammo
About Us

Shop
Firearms
Optics
Parts
Reloading
- Brass
- Bullets
- Primers
- Powder
- Dies
Ammo
About Us

$0.00 0 items

Home / Gun Parts / AR Upper Parts

AR Upper Parts

SHOW FILTERS

Price

Manufacturer

10 Ring Marketing / WRJ
AAC (Advanced Armament)
Advanced Armament Corp
Aero Precision
Alex Pro Firearms
Amend2
Anderson Manufacturing
Angstadt Arms
AOB
Arisaka Defense
Armaspec
ATI Outdoors
B&T
B5 Systems
Ballistic Advantage
Battle Arms Development
Black Rain Ordnance
Bootleg
Bravo Company Mfg / BCM
Browning
Bushmaster
CMC Triggers
CMMG
Daniel Defense
Dead Air Silencers
Diamondback Barrels
Diamondback Firearms
Die Free Co
FAB Defense
Fail Zero
Faxon Firearms
Firefield
FN America / FN Herstal
Fortis Manufacturing
FosTech Outdoors
Franklin Armory
Geissele Automatics
Gemtech
Grey Ghost Precision
Griffin Armament
GrovTec
Guntec USA
Hiperfire
HUXWRX Safety Company
KAK Industry
Kriss TDI
Lancer Systems
Lantac USA
LBE Unlimited
Leapers
Lone Wolf Distributors
Luth-AR
Magpul Industries
Manticore Arms
MDT
Midwest Industries
Mission First Tactical
NcSTAR
Nosler
Noveske Rifleworks
Odin Works
Patriot Ordnance Factory
Phase 5
ProMag
Proof Research
Q LLC
Radian Weapons
Radical Firearms
Reptilia
Rise Armament
Rock River Arms
Rosco Manufacturing
Samson
San Tan Tactical
Seekins Precision
Sharps Bros
Sig Sauer
Silencer Co
Sons of Liberty Gun Works
Spikes Tactical
Springfield Armory
Strike Industries
Surefire
TacFire
TROY Industries
Turner Fabrications
Ultradyne USA
Unity Tactical
UTG
White Label Armory
Wilson Combat
WMD Guns
Wraithworks
Yankee Hill Machine

Show value(s)

Model

.223 REM/5.56 NATO
.450 Bushmaster
.458 Socom
.750 Internal Bore
.936 Internal Bore
1913
20 Series
308
308 Enhanced Bolt Carrier Group
3P Eliminator
5.56 ETM
556 Enhanced Bolt Carrier Group
9.290" Diamond Series Forearm (Midlength)
9mm
A1 Birdcage
A2
A2 Birdcage
A2 Rear Sight Kit
A2X
AFG
AFG-2
Airborne
Airborne Charging Handle
AK
Ambidextrous MK2
Apollo LR
Apollo S
AR
AR 308
AR Bolt Kit
AR Extractor
AR Parts
AR-15
AR-15 Carrier Completion Kit
AR-15 Upper Completion Kit
AR-15/M16
AR-Style Barrel
AR15
Assembly
Asymmetric MK2
ATC
ATHENA
Atlas
Barking Spider2
Barrel Nut
Barrel Sub-Assembly
Barricade Stop
Battle Ax CQB
BCG
BCM Gunfighter
BCMGunfighter
Black Diamond Series
Blackout
Blast Can
Blast Diverter
Blastphemy
Blastwave
Bloodline
Bolt Action
Bolt Carrier
Bolt Carrier Assembly
Bolt Carrier Group
Bottle Rocket
Bravo
BREACH
Build & Replace
Camber
CAR15
Carbine
Carbine Handguard
Carrying Handle
Charging Handle
Checkmate
Classic Charging Handle
Classic Series
Claymore
Closed-Tine
Clutch
Clutch-Lok QD
Combat Rail M-Lok
Compensator
Complete Upper Parts Kit
CP-R360
Crush Washer
DB Barrel
Delta Pack
Dragon
Drakon
Drop-In
Dual Latch Charging Handle
Duty Series
Dynacomp Extreme
Echo
Ejection Port Cover
Elite
Elite Muzzle Brake
Enhanced
Enhanced BCG
Enhanced Bolt Carrier Group
Enhanced Ejection Port Cover
Epsilon
Extended Latch
Extended Latch Charge Handle
Extreme Duty
Fixed Barrel
Flash Hider
Flash Hider-QD
Forend
Forward Assist
Front Sight
G-COMP
G2 Two Piece
Gamma
Gas Block
Gas Defeating
Gas Tube
Gas Tube Kit
Gate-LOK
GB-750
Gen 4 M-Series
Gridlok LITE
Gunner
Hammer
Hand Stop
Hand Stop Kit
Handguard
Hinged Gas Block
Hipercomp Gen2
Honey Badger
Honey Badger Handguard
Honey Badger Handguard Kit
HUB
JComp
K-SPEC
K9
King Comp
KMR Alpha
L89
LevAR
Liberty Charging Handle
LINK
Link Anchor
Lo-Pro Slope Nose
Logic
Low Profile
Low Profile Gas Block
Low-Profile
M-LOK
M-LOK AFG
M-LOK Compatible Modular Rail (MCMR)
M-LOK Extended Handguard
M-LOK Folding Vertical Grip
M-LOK Grip
M-Lok Hand Stop/Barricade Stabilizer
M-LOK Handguard
M-SPEC
M-Spec Gas Tube
M16
M16 5.56 Bolt Carrier Group
M16/M4
M5
Match
Match Grade Barrel
Match Series
MCSRV2
Medieval
Medium Grenade Vertical Grip
MERCURY
Micro
Micro Gas Block
Mil-Spec
Milspec BCG
Mini King
MK14
MK18 RIS II
MK4 Federal
Model 4/15
Modern Series
Modular
Modular Combat
MOE M-LOK
MOE SL
MR7
Muzzle Adapter
Muzzle Brake
MVG
MWG
Night Fighter M-Lok
Night Rail
Nitrided Gas Tube Rifle+1
Noveske Skinny Rail
O2 Lite
Omega
Palm Handguard
Performance Series
Phantom
Picatinny
Picatinny Rail
Pistol
Piston
Premium Black Series
Premium Series
Presscheck
PRO
ProComp
Puller
Q-Comp
QD 762
QD Foldable Foregrip
QSERT HANDGUARD
Quick Detach Sling Mount
QUICKMOUNT
Quickmounts
R2
RA-212
RA-220
RA-230
Rack
Rack Charging Handle
Ragna
RAIDER-M
Railed Gas Block
Raptor
React
Recon
RED
Replacement Barrel
Retro
Retro Extended Flash Hider
Retro Taper
Rev II
Rifle
RIS II
Rival
RUNE Forend
RVG
RXD 30Ti
Shark Muzzle Brake
Short Grenade Vertical Grip
Slant
Slant Brake/Compensator
Snake Charmer
SP Series
SP3R
Spada
Standard Charging Handle
Strike Eagle
Strike Rail
Super
Super Modular
Super Slim Foregrip
Switch
SXT Series Handguard
Tactical
Tactical Carbine
Teardrop Forward Assist
Tekko
Three Prong
Thumper
Thumper Muzzle Brake
Tiger Claw
Tomahawk
TP9N
Tri-Ports
Triple Crown Comp
UFA-S
UL
Ultimate
Ultra Light
Ultra Slim Foregrip
Unigrip QD
Universal Handguns
Upper Height Gas Block
UTG
UTG PRO
Venom
Vertical Foregrip
Vertical Grip
Vertical Grip with Handstop
VG6
Victory
Warcomp
Warden
Wire Control Kit
Workhorse
WORKHORSE 15in Rail and .750 Gas Block
Xeno
XTM
Zeroed
ZEROED Muzzle Brake
Zeroed Muzzle Mount

Show value(s)

Length

1.7
10
10.1000
10.1500
10.2000
10.3000
10.3500
10.4000
10.4500
10.5
10.5500
10.6500
10.7000
10.8000
10.9
10.9000
10.9500
10''
11
11 3/4
11.0500
11.1000
11.2000
11.3
11.30"
11.4000
11.5
11.5''
11.5000
11.7000
11.9500
12
12.3500
12.5
12.5000
12.6''
12.625
12.6500
12.7''
12.7000
12.8500
12.9000
12''
13
13.1000
13.2500
13.3000
13.5
13.5500
13.75''
13.9500
14
14.0500
14.1500
14.2000
14.2500
14.3500
14.4000
14.5000
14.70"
14.7000
14.8
14.8000
14''
15
15 1/4
15 1/8
15 3/16
15.1000
15.3500
15.4500
15.5000
15.6500
15.8500
15.9500
15''
16
16.1''
16.10"
16.2000
16.4000
16.7500
16.8000
16.8500
16.9000
16.9500
16''
16"
17
17.1000
17.3500
17.4000
17.4500
17.5000
17.5500
17.6000
17.7000
17.9000
17.9500
18
18.1500
18.2000
18.2500
18.3500
18.6
18.6500
18.7000
18.8000
18.9500
18''
18"
19.1500
19.2000
19.2500
19.5500
19.9000
2.1
2.16"
2.25
2.3
2.37"
2.7
2.7000
2.8
2.8500
2.9
20
20.0500
20.1000
20.2500
20.4000
20.4500
20.5000
20.8500
20''
20"
21.9000
22.9000
23
23.1000
24"
25.5500
28.5
3.1500
3.3000
3.4500
3.6000
3.7500
3.9000
3.9500
4
4.3500
4.40"
4.5
4.50"
4.5000
4.5500
4.6000
4.6500
4.7000
4.7500
4.8000
4.9000
4.9500
5
5.0500
5.1000
5.1500
5.2000
5.2500
5.3000
5.3500
5.4000
5.4500
5.5
5.5000
5.5500
5.6
5.6500
5.7500
5.8
5.8000
5.8500
5.9
5"
6
6 3/4
6.1000
6.2000
6.2500
6.3000
6.3500
6.4000
6.4500
6.6000
6.6500
6.69"
6.9500
7
7.0500
7.1000
7.1500
7.2000
7.2500
7.29
7.3000
7.3400
7.3500
7.40"
7.4500
7.5
7.5000
7.6000
7.7000
7.8000
7.8500
7.9
7.9000
7.9500
7''
7"
8
8.0500
8.4500
8.6000
8.6500
8.7000
8.7500
8.8000
8.9
8.9000
8"
9
9 3/4
9.0500
9.1000
9.1500
9.25
9.2500
9.29
9.3
9.5
9.6500
9.7000
9.80"
9.8000
9.8500
9.9000
9.9500
9''
Crush Washer

Show value(s)

Color

.625 DIAMETER LOW PROFILE
.750 DIAMETER LOW PROFILE
6MM ARC COMPLETE BOLT CARRIER
8" HANDGUARD
A2 COMPENSATOR
ADJUSTABLE .625 LOW PROFILE
ADJUSTABLE .750 LOW PROFILE
ADJUSTABLE GAS BLOCK
AMBI CHARGING HANDLE BLACK
AMBIDEXTROUS CHARGING HANDLE
AR-15 9MM UPPER RECEIVER
AR-15 FLASH SUPPRESSOR
AR-15 FOREARM
AR-15 HANDGUARD
AR-15 HANDGUARD M-LOK
AR10 MILSPEC REPLACEMENT LATCH
AR14/M4/M16/HK416/MR556
AR15 BOLT CARRIER GROUP
AR15 CARBINE MLOK RAIL SYSTEM
AR15 CHARGING HANDLE
AR15 COMPLETE BOLT CARRIER
AR15 FORWARD ASSIST
AR15 HANDGUARD
Black
Black Anodized
BLACK MATTE
BLACK NITRIDE
Black, Olive Drab Green
Black, Red
BLAST CAN
BLAST DIVERTER
BOLT CARRIER GROUP
BRASS
CARRY HANDLE WITH SIGHT
CHARGING HANDLE
CHARGING HANDLE ASSEMBLY
CHARGING HANDLE MK2
CHARGING HANDLE MK2 AMBI
COMPRESSION FREEFLOATING BLACK
COYOTE BROWN
Coyote Tan
Desert Dirt Color
Desert Tan
DUAL LATCH CHARGING HANDLE
DUST COVER
EJECTION PORT COVER KIT
EXTENDED CHARGING HANDLE
FAKE SUPPRESSOR BLACK
FAKE SUPPRESSOR MUZZLEBRAKE
FLASH CAN W/ GLASS BREAKER
FLASH HIDER
Flat Dark Earth
FOLDING VERTICAL FOREGRIP
FOREARM END CAP
FOREND/BLACK
FORWARD ASSIST KIT
GAS BLOCK
GAS BLOCK ASSY
GAS BLOCK-LOW PROFILE
GAS TUBE KIT
GAS TUBE/BLACK
Gold
Gray
HANDGUARD
HANDGUARD/BLACK
KIT W/FULL BODY MAGAZINE
KIT WITH 10RD MAGAZINE
Kodiak Brown
LOW PROFILE FLASH HIDER
LOW PROFILE GAS BLOCK
LOW PROFILE MUZZLE BRAKE
M-LOK HANDGUARD
M-LOK HANDGUARD/BLACK
M-LOK MOE AR-15 HAND GUARD
MAG-WELL GRIP
Matte Black
MICRO GAS BLOCK/BLACK
MICRO PROFILE GAS BLOCK
MILSPEC REPLACEMENT LATCH
MINI HAND STOP M-LOK
MLOK FOREND
MULTICAM
MultiCam Black
MUZZLE BRAKE
MUZZLE BRAKE/COMPENSATOR
MUZZLE DEVICE/COMPENSATOR
OD GREEN
Olive Drab Green
PICATINNY QUAD-RAIL
PICATINNY RAIL HANDGUARD
QUAD-RAIL FOREARM
REACT COMPACT VERTICAL GRIP
REACT FOLDING GRIP
REACT FULL SIZE VERTICAL GRIP
REACT SHORT VERTICAL GRIP
Red
Scorched Dark Earth
Silver
SKELETONIZED FOREGRIP BLACK
SUPER GAS BLOCK
TACTICAL CHARGING HANDLE
THIN FREE FLOATING BLACK
THIN FREE FLOATING RAINBOW
THREE POSITION FOREND GRIP
Titanium Gray
UPPER HEIGHT GAS BLOCK
VERTICAL FOREGRIP
VERTICAL FOREGRIP FOLDING
VERTICAL GRIP
VERTICAL GRIP WITH HANDSTOP
Woodland Camo

Show value(s)

Caliber

.22 ARC
.22 Caliber
.22 LR
.223 REM/5.56 NATO
.223 Wylde
.243 Winchester
.30 Caliber
.300 AAC Blackout
.308 / 7.62 NATO
.338 ARC
.338 Lapua Magnum
.350 Legend
.450 Bushmaster
.7.62x35mm
5.7 x 28 mm
6.5mm Creedmoor
6.5mm Grendel
6mm ARC
7.62 x 39mm
7.62MM
8.6 BLACKOUT
9mm
Multi-Caliber

Show value(s)

Thread Pitch

1/2"-28
1/2"-28 tpi
1/2"x28
1/2"x36
5/8-24
5/8"-24 tpi
5/8"x24
5/8"x24 RH
M13x1.25
M14x1 LH

Tag

In Store!
Online Only

Showing 1–15 of 977 resultsSorted by latest

1
2
3
4
…
64
65
66
→

DANIEL DEFENSE MFR 10.0 M-LOK ASSEMBLY BLACK
$315.00 Add to cart
FAXON AR GAS TUBE CARBINE LENGTH SS
$14.71 Add to cart
GUNTEC AR15 SLIP OVER FAKE – SUPPRESSOR BLACK
$31.00 Add to cart
ODIN FOREND O2 LITE MLOK – 12.5″ FDE AR-15
$209.00 Add to cart
ODIN BARREL RIFLE 9MM LUGER – 16.1″ MEDIUM PROFILE BLOWBACK
$222.30 Add to cart
ODIN BARREL PISTOL 9MM LUGER – 7.5″ MEDIUM PROFILE BLOWBACK
$141.00 Add to cart
ODIN BARREL PISTOL 223 WYLDE – 10.5″ LIGHT PROFILE CARBINE
$225.00 Add to cart
ODIN EXTENDED CHARGING HANDLE – BLACK FOR AR-15
$46.55 Add to cart
ODIN UPPER RECEIVER BILLET BLK – AR-15 9MM NO FOWARD ASSIST
$132.05 Add to cart
MI HANDGUARD SP SERIES 18″ – M-LOK AR-15 SUPPRESSOR COMP.
$215.95 Add to cart
MI HANDGUARD GRM M-LOK G4 – 14″ FITS AR-15
$204.95 Add to cart
SPIKE’S ST DYNACOMP EXTREME 556NATO
$80.96 Add to cart
MIDWEST COMBAT RAIL LW 14″ MLOK
$215.95 Add to cart
GEISSELE 15″ SUPER MOD MK8 MLOK BLK
$332.00 Add to cart
FAXON AR GAS TUBE MID LENGTH SS
$14.71 Add to cart

Showing 1–15 of 977 resultsSorted by latest

1
2
3
4
…
64
65
66
→

Want to receive advanced notice of our specials as well as new inventory and hard to get items? Add your name to our email list and we'll share the details.

First Name

Last Name

Email (required) *

Select list(s) to subscribe toGeneral Interest

Yes, I would like to receive emails from Appalachian Territory Firearms. (You can unsubscribe anytime)

Constant Contact Use. Please leave this field blank.

By submitting this form, you are consenting to receive marketing emails from: Appalachian Territory Firearms, 510 Saddlewood Drive, Venetia, PA, 15367, https://atfirear.ms. You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact

My Account
Search

Search
×
Cart 0

Manage Cookie Consent

To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.

Functional Functional Always active

The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.

Preferences Preferences

The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.

Statistics Statistics

The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.

Marketing Marketing

The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.

Manage options
Manage services
Manage {vendor_count} vendors
Read more about these purposes

View preferences

{title}
{title}
{title}

DANIEL DEFENSE MFR 10.0 M-LOK ASSEMBLY BLACK

FAXON AR GAS TUBE CARBINE LENGTH SS

GUNTEC AR15 SLIP OVER FAKE – SUPPRESSOR BLACK

ODIN FOREND O2 LITE MLOK – 12.5″ FDE AR-15

ODIN BARREL RIFLE 9MM LUGER – 16.1″ MEDIUM PROFILE BLOWBACK

ODIN BARREL PISTOL 9MM LUGER – 7.5″ MEDIUM PROFILE BLOWBACK

ODIN BARREL PISTOL 223 WYLDE – 10.5″ LIGHT PROFILE CARBINE

ODIN EXTENDED CHARGING HANDLE – BLACK FOR AR-15

ODIN UPPER RECEIVER BILLET BLK – AR-15 9MM NO FOWARD ASSIST

MI HANDGUARD SP SERIES 18″ – M-LOK AR-15 SUPPRESSOR COMP.

MI HANDGUARD GRM M-LOK G4 – 14″ FITS AR-15

SPIKE’S ST DYNACOMP EXTREME 556NATO

MIDWEST COMBAT RAIL LW 14″ MLOK

GEISSELE 15″ SUPER MOD MK8 MLOK BLK

FAXON AR GAS TUBE MID LENGTH SS