Skip to navigation Skip to content

ATFirearms

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 / Page 56

AR Upper Parts

SHOW FILTERS

Price

Manufacturer

10 Ring Marketing / WRJ
AAC (Advanced Armament)
Advanced Armament Corp
Aero Precision
Alex Pro Firearms
Amend2
American Built Arms Company
Anderson Manufacturing
Angstadt Arms
AOB
Arisaka Defense
Armaspec
ATI Outdoors
B&T
B5 Systems
Backup Tactical
Ballistic Advantage
Banish
Battle Arms Development
Black Rain Ordnance
Bootleg
Bravo Company Mfg / BCM
Breek arms
Browning
Bushmaster
C&E Innovations DBA Amend2
Chiappa Firearms
CMC Triggers
CMMG
Cole-TAC
Comstock Armory
Daniel Defense
Dead Air Silencers
Diamondback Firearms
Die Free Co
DoubleStar
Edgar Sherman Design
Ergo
FAB Defense
Fail Zero
Faxon Firearms
Firefield
FN America / FN Herstal
Fortis Manufacturing
FosTech Outdoors
Franklin Armory
Geissele Automatics
Gemtech
GG&G, Inc.
Glenfield
Grey Ghost Precision
Griffin Armament
Grip Pod
GrovTec
Guntec USA
Hiperfire
Hogue
HUXWRX Safety Company
KAK Industry
Kaw Valley Precision
Kgm Technologies
Kinetic Development Group
Knights Armament
Kriss TDI
Lancer Systems
Lantac USA
LBE Unlimited
Leapers
Liberty Precision Machine
Lone Wolf Distributors
Luth-AR
Magpul Industries
Manticore Arms
MDT
Midwest Industries
Mission First Tactical
Mossberg
NcSTAR
Nosler
Noveske Rifleworks
Odin Works
One Horse
Patriot Ordnance Factory
Phase 5
Primary Weapons Systems
ProMag
Q LLC
Radian Weapons
Radical Firearms
Rearden Manufacturing
Reptilia
Rise Armament
Rock River Arms
Rosco Manufacturing
Ruger / Sturm, Ruger & Co.
Samson
San Tan Tactical
Seekins Precision
Sellmark Corporation
Sharps Bros
Sig Sauer
Silencer Co
Sons of Liberty Gun Works
Spikes Tactical
Springfield Armory
Strike Industries
Surefire
TacFire
TangoDown
Tapco
Timber Creek Outdoors
TROY Industries
Turner Fabrications
Uct Coatings Inc. Fail Zero
Ultradyne USA
Unity Tactical
UTG
VKTR
VKTR Industries
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
.750 Internal Bore
.936 Internal Bore
1913 Tactical Hand Stop
2 Piece Bolt Carrier Group
20 Series
22ARC
3-Lug
308
3P Eliminator
5.56 ETM
516
556
556 Enhanced Bolt Carrier Group
9.290" Diamond Series Forearm (Midlength)
9mm
A1 Birdcage
A2
A2 Birdcage
A2 Rear Sight Kit
A2X
Adjustable Gas Block
Adjustable Low Profile Gas Block
AFG
AFG M-LOK
AFG-2
AG-44S
Airborne Charging Handle
AK
Ambi Charging Handle and Safety Selector
Ambidextrous MK2
Angled Foregrip 1
Angled Foregrip 2
Angled HandStop
Apollo LR
Apollo MAX
Apollo S
AR
AR 308
AR ATC
AR Parts
AR-10
AR-15
AR-15 Carrier
AR-15 Carrier Completion Kit
AR-15 Gas Tube
AR-15 Upper Completion Kit
AR-15/M16
AR10
AR10 / AR15
AR15 Bolt Carrier Group Gas Key
AR9
ARCH-EL
Asymmetric MK2
ATHENA
Atlas
B1
Baby Bell
Barking Spider2
Barrel Sub-Assembly
Barricade Stop
Battle Ax CQB
BCG
BCM Gunfighter
Billet
Billet Dust Cover
Black Diamond Series
Blackout
Blast Can
Blast Diverter
Blastphemy
Blastwave
Bloodline
Bolt Action
Bolt Carrier Assembly
Bolt Carrier Group
Bottle Rocket
Bravo
BREACH
Build & Replace
Calico
Camber
CAR15
Carbine Gas Tube
Carbine Handguard
Carbon Fiber Handguard
Carrying Handle
Charging Handle
Check Mate
Classic
Classic Series
Claymore
Closed-Tine
Clutch
Clutch-Lok QD
Combat Grip
Combat Rail HD
Combat Rail M-Lok
Compensator
Complete
Complete Upper Parts Kit
CP-R360
CP-R360-H
Crush Washer
DB Barrel
DDWAVE Muzzle Brake
Delta 556
Delta Pack
Direct Impingement
DNA
DPB
Dragon
Drakon
Drop-In
DTOM Charging Handle
Dual Latch Charging Handle
Dynacomp
Echo
Echo Single-Port Plan B
Eclipse
Ejection Port Cover
Elite
Enforcer
Enhanced
Enhanced BCG
Enhanced Bolt Carrier Group
Enhanced Ejection Port Cover
Enhanced Fore Grip
Enhanced Side Charger Bolt Carrier Group
Epsilon
Ergonomic
Extended Latch
Extended Latch Charging Handle
Extractor Kit
Extreme Duty
FATman
Faux Suppressor
Firing Pin
Flash Hider
FN Scar Rail
Folding
Forend
Forward Assist
Forward Assist Assembly
FRC
Front Sight
Full Stop
G-Brake
G-COMP
G-Nite
G2 Two Piece
Gamma
Gas Block
Gas Defeating
Gas Tube
Gas Tube Kit
GB-750
Gen 4 M-Series
GPS V2
GPS.02
Greyman
Gridlok LITE
Grip
Gunner
Hammer
Hand Stop
Hand Stop Kit
Handguard
Handstop
HEX FLASHCAN
Hinged Gas Block
Hipercomp Gen2
Honey Badger Handguard
Honey Badger Handguard Kit
Honeycomb
HUB Mount
Hybrid Forend Grip
Hybrid Muzzle Brake
Index Stop
JCOMP Gen2
K-SPEC
KeyMicro GOV
KeyMO GOV
KeyMod
Kinesthetic Angled Grip
King Comp
KMR Alpha
L89
Lamprey
LevAR
Liberty Bell
Liberty Gas Block
Lightweight Forward Assist
Lightweight/Low Mass Bolt Carrier Group
Link Anchor Handstop
Link Curved Foregrip
littleBOY
Lo-Pro Slope Nose
Logic
Low Profile
Low Profile Gas Block
Low Profile Steel
Low-Mass Bolt Carrier Group
Low-Profile
LSS Gen 3
M-LOK
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-LOK Handstop
M-SPEC
M-Spec Gas Tube
M16
M16 5.56 Bolt Carrier Group
M16/M4
M4 Quad Rail Handguard
M4SD Flash
M5
Magwall
Match Series
MCSRV2
Medieval
Medium Grenade Vertical Grip
MERCURY
Micro Gas Block
Micro Handstop
Mid Gas Tube
Mil-Spec
Milspec BCG
Mini
Mini Handstop
Mini King Comp
MK14
MK18 RIS II
MK4 Federal
MKGS
MLOK SD Handguard
Model 4
Model 4/15
MOE M-LOK
MOE SL
MR7
Muzzle Brake
MVG
MVG M-LOK
MWG
Night Fighter M-Lok
Night Rail
Nitrided Gas Tube Rifle+1
Noveske Skinny Rail
NOXs
O2 Lite
OCKS
Omega
Palm Handguard
PCC Blowback
PEGASUS
Phantom
Phantom 5.56mm Compensator/Flash Hider
Picatinny
Picatinny Rail
Pistol Gas Tube
Pistol Length
Pistons
Plan B A2 Flash Hider
Plan B A7 Flash Hider
Plan B AK74
Plan B Big Hole Brake
Plan B Krink
Plan B Radial Brake
Plan B Universal Muzzle Device
PNW
Pop Bottle
Precision SPR
Premium Black Series
PRO
ProComp
PTK
PTK & VTS Combo
Puller
PULSE
Q-Comp
QSERT HANDGUARD
Quick Detach Flash Hider
Quick Detach Sling Mount
Quick Stop
QUICKMOUNT
R2
R556A1
RA-1010
RA-220
RA-701
Rack Charging Handle
Radial Muzzle Brake
Ragna
RAIDER-M
Rail Wrap
Raptor
Raptor-LT
Raptor-LT/Talon
Raptor-SD/Talon
Raptor-SL
Raptor/Talon
React
Rearend XL
Recon
RED
REG
Replacement Barrel
Retro
Retro Extended Flash Hider
Retro Taper
Rev II
Rifle Gas Tube
RIS II
RIS III
Rival Foregrip
Roller Cam Pin
RUNE Forend
RVG
RVG- Rail Vertical Grip
SCAR
Scar MREX M-Lok MKII
SD Handguard Wrap
Select
Shark Muzzle Brake
Shift
Short Grenade Vertical Grip
Short Vertical Grip
Slant Brake/Compensator
Sledgehammer
SN-ACH 10
SN-ACH 15
Snake Charmer
SOCC 3" Vertical Grip
SOCOM 3 Prong Flash Hider
SOCOM Muzzle Brake
SP Series
SP3R
Spada
Squid Grip
Standard BCG
Stiction
Strike Eagle
Strike Rail
Sup Suppression
Super
Super Gas Block
Super Modular
Super Slim Foregrip
Suppressor Adapter
Suppressor Series Handguard
Switch
SWITCH MOD2
SXT Series Handguard
Tactical
Tactical Carbine
Teardrop Forward Assist
Tekko
Thread Adapter
Thumper
Thumper Muzzle Brake
Tiger Claw
TL-4
Tomahawk
TP9N
Tread
Tri-Rail
Triple Crown
UFA-S
UL
Ultimate Dust Cover
Ultra Light
Ultra Slim Foregrip
Unigrip QD
Unigrip Short
Universal Handguns
Unlimited
Upper Height Gas Block
Upper Parts Kit
Upper Parts Kits
UTG PRO
Venom
Vertical Foregrip
Vertical Grip
Vertical Grip with Handstop
Victory
Warcomp
WARCOMP SPORT
Warden
Warhammer
Wire Control Kit
Workhorse
WORKHORSE 15in Rail and .750 Gas Block
Xeno
Xeno GOV
XRF Xeno
XTM
Zeroed
ZEROED Adjustable Gas Block
ZEROED Muzzle Brake
Zeroed Muzzle Mount

Show value(s)

Length

1.30"
1.43"
1.7
10
10.1000
10.2000
10.3000
10.3500
10.4000
10.4500
10.5
10.5000
10.5500
10.6500
10.7000
10.8000
10.8500
10.9
10.9000
10.9500
10''
11
11 3/4
11.0500
11.1000
11.1500
11.2000
11.3
11.4000
11.5
11.5''
11.7000
11.8500
11.9500
12
12.2000
12.3500
12.5
12.6''
12.625
12.625''
12.6500
12.7''
12.8500
12.9000
12''
12"
13
13.0500
13.1000
13.2500
13.3000
13.375
13.5
13.5''
13.5500
13.75''
14
14.0500
14.1000
14.1500
14.2000
14.3500
14.4000
14.5000
14.7000
14.8
14.8000
14.9500
14''
15
15 1/4
15 1/8
15 3/16
15.1000
15.2
15.3500
15.5000
15.8500
15.9500
15''
16.1''
16.10"
16.4500
16.7500
16.8000
16.8500
16.9000
16''
16"
17
17.1000
17.3500
17.4000
17.4500
17.5
17.5000
17.9500
18.1500
18.2000
18.6
18.6500
18.7000
18.9500
18"
19.1500
19.2000
19.2500
19.5500
2.1
2.16"
2.2
2.25
2.3
2.3500
2.37"
2.66"
2.7
2.75"
2.8
2.80"
2.8500
2.9
2.90"
2.9500
2''
20
20.0500
20.2500
20.4000
20.4500
20.5000
20''
20"
22.8
22.9
23
25
3
3.0500
3.1500
3.3000
3.4500
3.6000
3.7500
3.8000
3.9000
3.9500
4
4.25
4.3000
4.3500
4.40"
4.4500
4.5
4.5000
4.5500
4.6000
4.6500
4.7000
4.7500
4.8000
4.8500
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
6.00
6.1000
6.1500
6.2000
6.2500
6.3
6.3000
6.3500
6.4000
6.4500
6.5
6.5500
6.6000
6.6500
6.8000
6.8500
6.9000
6.9500
7
7.0500
7.1000
7.1500
7.2000
7.25
7.2500
7.29
7.3
7.3000
7.3500
7.4500
7.5
7.5000
7.6000
7.7000
7.8000
7.8500
7.9
7.9000
7.9500
7''
8
8.0500
8.1500
8.4500
8.6000
8.6500
8.7000
8.7500
8.8000
8.9
8.9000
9
9 3/4
9.0500
9.1000
9.1500
9.2
9.25
9.25''
9.2500
9.29
9.3
9.4000
9.5
9.7000
9.8000
9.8500
9.9000
9.9500
Crush Washer

Show value(s)

Color

.750 DIAMETER LOW PROFILE
6MM ARC COMPLETE BOLT CARRIER
8" HANDGUARD
ADJ GAS BLOCK
ADJUSTABLE .625 LOW PROFILE
AMBIDEXTROUS CHARGING HANDLE
ANGLED GRIP/BLACK
AR-15 FLASH SUPPRESSOR
AR-15 FOREARM
AR-15 GAS TUBE
AR-15 HANDGUARD
AR10 COMPLETE BOLT CARRIER
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
Black
BLACK MATTE
Black, Olive Drab Green
Black, Red
BLAST CAN
BOLT CARRIER GROUP
BOLT CARRIER GROUP/BLACK
BRASS
BRONZE
Brown
CHARGING HANDLE
CHARGING HANDLE ASSEMBLY
CHARGING HANDLE MK2
CHARGING HANDLE MK2 AMBI
COMBAT RAIL HD M-LOK HANDGUARD
COMPRESSION FREEFLOATING BLACK
COYOTE
Coyote Tan
Dark Earth
Desert Dirt Color
Desert Tan
DI 5.56 BOLT CARRIER GROUP
DUST COVER
EJECTION PORT COVER KIT
EXTENDED CHARGING HANDLE
EXTENDED CHARGING HANDLE LATCH
FAKE SUPPRESSOR BLACK
FAKE SUPPRESSOR MUZZLEBRAKE
FLASH CAN BLACK
FLASH CAN W/ GLASS BREAKER
FLASH HIDER
Flat Dark Earth
FOREARM END CAP
FOREARM WRENCH
FOREND/BLACK
G10 M-LOK PANEL
GAS BLOCK 0.750"
GAS TUBE BLACK
GAS TUBE KIT
GAS TUBE/BLACK
Gold
Gray
GREEN
HANDGUARD
HANDGUARD/BLACK
HANDSTOP
KIT W/FULL BODY MAGAZINE
KIT WITH 10RD MAGAZINE
Kodiak Brown
LOW PROFILE FLASH HIDER
LOW PROFILE MUZZLE BRAKE
M-LOK HANDGUARD
M-LOK HANDGUARD/BLACK
Matte Black
MILSPEC REPLACEMENT LATCH
MLOK FOREND
Modified Coyote Brown
MP5 M-LOK SUPPRESSOR HANDGUARD
MULTICAM
MultiCam Black
MUZZLE BRAKE
MUZZLEBRAKE 30 CALIBER
MUZZLEBRAKE 5.56MM
Nickel
O.D. Green
Olive Drab Green
PICATINNY QUAD-RAIL
PICATINNY RAIL HANDGUARD
QUAD-RAIL FOREARM
Ranger Green
REACT FULL SIZE VERTICAL GRIP
Red
Scorched Dark Earth
Silver
SUPER GAS BLOCK
Tan
THIN FREE FLOATING BLACK
THREAD PROTECTOR/STAINLESS
Titanium Gray
WOLF GRAY
Woodland Camo

Show value(s)

Caliber

.22 Caliber
.22 LR
.223 REM/5.56 NATO
.223 Wylde
.30 Caliber
.300 AAC Blackout
.308 / 7.62 NATO
.338 Caliber
.338 Lapua Magnum
.350 Legend
.375 Caliber
.410 Bore
.45 ACP
.450 Bushmaster
20 Gauge
46 Caliber
5.7 x 28 mm
6.5mm Creedmoor
6.5mm Grendel
6.8MM REMINGTON SPC
6MM
6mm ARC
7.62 x 39mm
7.62MM
9mm

Show value(s)

Thread Pitch

.578" x 28
1/2"-28
1/2"-28 tpi
1/2"x28
1/2"x36
5/8"-24 tpi
5/8"x24
5/8"x24 RH
5/8x24
9/16"-24 tpi
M10x1
M13x0.75
M13x1.25
M14x1 LH
M18X1

Show value(s)

Showing 826–840 of 1442 resultsSorted by latest

←
1
2
3
…
53
54
55
56
57
58
59
…
95
96
97
→

BOOTLEG 15″ QM MLOK AR-15 HANDGUARD
$152.00 Add to cart
STRIKE MLOK RAIL 10″ FDE
$164.95 Add to cart
LANTAC 556 MILSPEC+ BCG BLK NITRIDE
$170.99 Add to cart
DANIEL DEFENSE DD WAVE MUZZLE BREAK 1/2X28
$156.00 Add to cart
DANIEL DEFENSE DD WAVE MUZZLE BREAK 5/8X24
$156.00 Add to cart
SHARPS 15″ MLOK HG FULL TOP RAIL BLK
$151.95 Add to cart
ULTRADYNE APOLLO S COMP 7.62 5/8X24
$140.00 Add to cart
ULTRADYNE APOLLO S MB 6.5CM 5/8X24
$140.00 Add to cart
YHM 2PC COLT CARBINE HANDGUARD BLK
$174.95 Add to cart
YHM 2PC CARBINE HANDGUARD ASSY BLK
$174.95 Add to cart
MIDWEST COMBAT RAIL 6″ HNDGRD MLOK
$152.95 Add to cart
TROY ENHANCED RAIL 7″ BLK
$187.00 Add to cart

Showing 826–840 of 1442 resultsSorted by latest

←
1
2
3
…
53
54
55
56
57
58
59
…
95
96
97
→

BOOTLEG 15″ QM MLOK AR-15 HANDGUARD

STRIKE MLOK RAIL 10″ FDE

LANTAC 556 MILSPEC+ BCG BLK NITRIDE

DANIEL DEFENSE DD WAVE MUZZLE BREAK 1/2X28

DANIEL DEFENSE DD WAVE MUZZLE BREAK 5/8X24

SHARPS 15″ MLOK HG FULL TOP RAIL BLK

ULTRADYNE APOLLO S COMP 7.62 5/8X24

ULTRADYNE APOLLO S MB 6.5CM 5/8X24

YHM 2PC COLT CARBINE HANDGUARD BLK

YHM 2PC CARBINE HANDGUARD ASSY BLK

MIDWEST COMBAT RAIL 6″ HNDGRD MLOK

TROY ENHANCED RAIL 7″ BLK