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AR15 Parts - Used - Upper Receiver (Page 1 of 10)
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New Posts Geissele MK 4 13” rail

Wildbill990

Wildbill990
Replies: 0
Views: 33
9/14/2024 1:14 AM

New Posts BCM 9in .300 Blackout Upper

gunnerp51

gunnerp51
Replies: 0
Views: 41
9/14/2024 12:51 AM

New Posts WTS: BCM Compensator MOD 1 - 7.62 / 300 Blackout

khangha625

khangha625
Replies: 0
Views: 119
9/13/2024 11:58 PM

New Posts Colt M4 Barrel 14" M P 1/7 $295 shipped

2xtap

2xtap
Replies: 1
Views: 641
9/13/2024 11:37 PM

USA MALICIOUS2551 Jump to Last Post

New Posts Cavalry Arms Dark Earth M4 Double Heat Shield M4 Hand Guards

SSeric02

SSeric02
Replies: 0
Views: 198
9/13/2024 11:33 PM

New Posts Wilson Combat 16" 9mm barrel, 1-10 stainless steel, fluted, threaded with WC compensator

BravoSector1

BravoSector1
Replies: 0
Views: 74
9/13/2024 9:55 PM

New Posts AERO PRECISION BOLT CARRIER Nitride

Hkoch45

Hkoch45
Replies: 0
Views: 36
9/13/2024 9:42 PM

New Posts WTS Lwrc FSB. A1 SL.

GeistACWM

GeistACWM
Replies: 2
Views: 281
9/13/2024 8:37 PM

USA GeistACWM Jump to Last Post

New Posts WTS: 14.5 M4 Upper - $295 Shipped

Ouch

Ouch
Replies: 1
Views: 320
9/13/2024 8:21 PM

USA Flathead11 Jump to Last Post

New Posts Two Magpul Flip Up Rear Sights $90

zbwheeler

zbwheeler
Replies: 0
Views: 328
9/13/2024 8:11 PM

New Posts SOLGW 9 port KeyMo brake & Dead Air KeyMo Brake

HatTrick55

HatTrick55
Replies: 1
Views: 191
9/13/2024 8:03 PM

USA KUX210 Jump to Last Post

New Posts Colt 10.3” Upper $650

zbwheeler

zbwheeler
Replies: 0
Views: 278
9/13/2024 7:59 PM

New Posts Colt Large Pin A1 Uppers

jrh3

jrh3
Replies: 0
Views: 399
9/13/2024 7:47 PM

New Posts Colt Large Pin Uppers – SP1 And C7

jrh3

jrh3
Replies: 1
Views: 369
9/13/2024 7:47 PM

USA tgimian Jump to Last Post

New Posts KAC SR15 11.5 CQB Upper P/N 31963

UrbanWoodsman

UrbanWoodsman
Replies: 0
Views: 416
9/13/2024 7:42 PM

New Posts 18" Aero / Midwest Upper

ChrundleTheGreat

ChrundleTheGreat
Replies: 0
Views: 231
9/13/2024 7:41 PM

New Posts Used Ballistic Advantage 13.7" 5.56 Barrel $120

zbwheeler

zbwheeler
Replies: 0
Views: 96
9/13/2024 7:24 PM

New Posts Daniel Defense RIS III 12.5

watgar

watgar
Replies: 0
Views: 98
9/13/2024 6:59 PM

New Posts Colt 10.3 MK18 Barrel, BCM gas block/tube

watgar

watgar
Replies: 0
Views: 105
9/13/2024 6:47 PM

New Posts SilencerCo ASR Closed-tined Flash Hider, 1/2x28

ahedgpe

ahedgpe
Replies: 0
Views: 56
9/13/2024 5:37 PM

New Posts AR-57 Upper, five seven 5.7

trmst

trmst
Replies: 0
Views: 94
9/13/2024 5:35 PM

New Posts New Unfired Noveske 14.5" LW Afghan SS Barrel w/ Pinned GB

AWHAILYEAH

AWHAILYEAH
Replies: 0
Views: 90
9/13/2024 5:25 PM

New Posts KAC RAS with 4 panels and VFG in excellent condition/like new with box and instructions

RobMa

RobMa
Replies: 0
Views: 415
9/13/2024 5:06 PM

New Posts LWRC IC-E complete upper with KAC

Infidel4life11

Infidel4life11
Replies: 1
Views: 491
9/13/2024 5:01 PM

USA Infidel4life11 Jump to Last Post

New Posts 14.5” A2 complete upper with carry handle and very heavy barrel - price dropped to $425

big_johnson_92

big_johnson_92
Replies: 0
Views: 3058
9/13/2024 5:00 PM

New Posts Noveske Gen3 18” Spr

darredondo

darredondo
Replies: 0
Views: 68
9/13/2024 4:26 PM

New Posts Block II upper

MK318

MK318
Replies: 0
Views: 305
9/13/2024 3:49 PM

New Posts Vltor MUR with forward assist

Absewell

Absewell
Replies: 0
Views: 131
9/13/2024 3:45 PM

New Posts Aero Precision M4E1 Enhanced upper receiver with 12.7" FF handguard

Hijo202

Hijo202
Replies: 0
Views: 51
9/13/2024 3:34 PM

New Posts New Frontier Armory 7" MLOK Handguard

ocmike

ocmike
Replies: 0
Views: 119
9/13/2024 3:19 PM

New Posts CQBR Block II Colt Crane spec 10.3 barrel + MK12 gas block

AZ_SBR

AZ_SBR
Replies: 0
Views: 105
9/13/2024 2:42 PM

New Posts FS: vintage Colt M16 firing pin - original light flat head - vietnam retro

mtykim

mtykim
Replies: 0
Views: 136
9/13/2024 2:27 PM

New Posts Bear creek Arsenal 16 inch 6.5 Grendel barrel

Dizle

Dizle
Replies: 0
Views: 301
9/13/2024 1:12 PM

New Posts Colt 604 upper

HKILLER

HKILLER
Replies: 0
Views: 370
9/13/2024 12:52 PM

New Posts NOS Troy TRX Quad rails (great pistol rails)

locknloadNM

locknloadNM
Replies: 0
Views: 775
9/13/2024 12:45 PM

New Posts 16" 300 BLK barrel (unknown manuf) w/ Strike Industries Collar AGB & Gas Tube & 15" Handguard

Hijo202

Hijo202
Replies: 0
Views: 53
9/13/2024 12:33 PM

New Posts Adams Arms piston kits (2), micro adjustable gas blocks $230

locknloadNM

locknloadNM
Replies: 0
Views: 50
9/13/2024 12:29 PM

New Posts WTS- 10.5 noveske barrel/ 9” mcmr bcm handguard

Arsenaljoe

Arsenaljoe
Replies: 0
Views: 234
9/13/2024 12:25 PM

New Posts (3rd price drop) Noveske Gen3 10.5 CHF upper

NDarrell33

NDarrell33
Replies: 0
Views: 580
9/13/2024 12:23 PM

New Posts BRN4 10.4" complete upper (chrome lined barrel) with handguard used

LongBeach

LongBeach
Replies: 2
Views: 389
9/13/2024 12:09 PM

USA Aristelius Jump to Last Post

New Posts Hk416 MR556 handguard RAL8K MLOK

Herman_the_German

Herman_the_German
Replies: 0
Views: 706
9/13/2024 11:43 AM

New Posts Gordon Carbine complete kit with Aimpoint and Surefire

Black_beard

Black_beard
Replies: 0
Views: 2690
9/13/2024 11:22 AM

New Posts LaRue Tactical PredatOBR parts

orpheus762x51

orpheus762x51
Replies: 0
Views: 133
9/13/2024 11:17 AM

New Posts 18” .308 AR10 barrel

BadKarma6Golf

BadKarma6Golf
Replies: 0
Views: 136
9/13/2024 11:08 AM

New Posts 10.5” .300BLK complete upper.

BadKarma6Golf

BadKarma6Golf
Replies: 0
Views: 111
9/13/2024 11:08 AM

New Posts 13.9 Upper Build

WornOutGrunt101

WornOutGrunt101
Replies: 2
Views: 464
9/13/2024 10:36 AM

USA WornOutGrunt101 Jump to Last Post

New Posts 16" Ballistic Advantage upper

WornOutGrunt101

WornOutGrunt101
Replies: 0
Views: 695
9/13/2024 10:36 AM

New Posts Kinda nifty/wonky colt ar 15 barrel 16 in p/w

My32isspecial

My32isspecial
Replies: 0
Views: 222
9/13/2024 10:26 AM

New Posts 350 legend m16a1 fixed fsb upper

My32isspecial

My32isspecial
Replies: 0
Views: 843
9/13/2024 10:26 AM

New Posts Wilson Combat Tactical Hunter 20" Fluted 22 Nosler Barrel

MegaTarsal

MegaTarsal
Replies: 0
Views: 166
9/13/2024 10:11 AM

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AR15 Parts - Used - Upper Receiver (Page 1 of 10)
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