AR-15 Parts for Sale | Delaware Firearms

RugerNo. 88979

Ruger RDS Rear Rapid Deploy Sights

★ 4.8 (13)

$37.19Read the entry

Springfield ArmoryNo. 56492

Springfield Armory XD-M 10mm 4.5in Threaded Barrel Kit

★ 4.9 (10)

$118.79Read the entry

MossbergNo. 46296

Mossberg 500XBL 12 Gauge Blue

★ 5.0 (9)

$289.19Read the entry

Springfield ArmoryNo. 56490

Springfield Armory Hellcat 3.8-inch Threaded Barrel Kit Melonite

★ 5.0 (9)

$155.99Read the entry

MossbergNo. 46293

Mossberg 500XBL 12 Gauge 28in VR Accu-Set Blue

★ 4.9 (9)

$266.99Read the entry

Sig SauerNo. 10265

SIG Sauer Tread Ambidextrous Charging Handle Black

★ 5.0 (6)

$80.39Read the entry

Sig SauerNo. 10260

SIG Sauer TREAD Adjustable Flip Sights

★ 5.0 (5)

$145.19Read the entry

CZNo. 22892

CZ 457 Varmint Barrel Set 22 LR Black

★ 5.0 (4)

$324.59Read the entry

CanikNo. 25827

Canik TP9 Elite Combat Threaded Barrel Black Nitride

★ 5.0 (4)

$74.39Read the entry

CatalogueNo. 3471

Daniel Defense Fixed Front/Rear Sight Combo Picatinny

★ 4.8 (4)

$182.99Read the entry

GlockNo. 73400

Glock 23 OEM Threaded Barrel Black

★ 5.0 (2)

$295.79Read the entry

CZNo. 24219

CZ 457 American Replacement Barrel Nitride

★ 5.0 (2)

$324.59Read the entry

CatalogueNo. 3472

Daniel Defense COL Buttstock Glass Reinforced Polymer Black

★ 4.5 (2)

$172.80Read the entry

GlockNo. 73403

Glock Threaded Adapter 1/2x28 for Glock 44

★ 4.0 (1)

$53.39Read the entry

Diamondback FirearmsNo. 48390

Diamondback Firearms 762X39P7H50B95R 7.62x39mm 7in Pistol Gas Nitride Barrel Black Nitride

$97.19Read the entry

Diamondback FirearmsNo. 48372

Diamondback Firearms OEM Replacement 300 Blackout Barrel 16-Inch Nitride

$124.19Read the entry

KelTecNo. 49645

Keltec PLR-16 Muzzle Brake Kit 9.2 Inch Barrel

$31.19Read the entry

American TacticalNo. 13803

American Tactical BG43 GLK43 Stainless Steel

$80.39Read the entry

American TacticalNo. 22563

American Tactical Flip Up Front/Rear Sights

$31.79Read the entry

TaurusNo. 14289

Dead Air Armament DA410 Ghost Fixed Mount

$76.79Read the entry

COLTNo. 42011

Colt Woodsman Sport Model .22 4.5″ barrel gun box.

used

$126.50Read the entry

GLOCKNo. 44746

Lone Wolf .40 S&W Glock 23 Barrel

used

$143.75Read the entry

COLTNo. 00253

Colt Officer’s Model Heavy Barrel

used

$1029.25Read the entry

SPRINGFIELDNo. 62811

U.S. Springfield M1 Garand Barrel 5-45 .30-06

used

$224.25Read the entry

MAUSERNo. 31450

Rare Conehammer Broomhandle Mauser C96 Short Barrel W/ Stock

used

$10925.00Read the entry

MARLINNo. 21341

Special Order Marlin 1889 Long Barrel .32-20

used

$8625.00Read the entry

LUGERNo. 07092

Very Rare DWM 1902 American Eagle Fat Barrel With Ideal Shoulder Stock (d2026-00543)

used

$18975.00Read the entry

MAUSERNo. 42702

MG 34 Barrel 8mm Mauser

used

$258.75Read the entry

GLOCKNo. 44731

Glock 26 KKM Precision Ultra Match 9mm Barrel

used

$230.00Read the entry

SPRINGFIELDNo. 62819

U.S. Springfield M1 Garand Barrel 8-45 .30-06

used

$224.25Read the entry

WINCHESTERNo. 18581

Relic Winchester 1876 Barrel and Receiver

used

$402.50Read the entry

SIGNo. 61356

SIG SP47/8 Swedish Contract 2-Barrel Set 9mm

used

$7762.50Read the entry

NAGANTNo. 07693

Post-War Finnish Model 1891 Mosin-Nagant with Belgian “B” Barrel 7.62x54R

used

$1029.25Read the entry

THOMPSONNo. 04716

Thompson/Center Contender Super 14 Barrel .30-30

used

$316.25Read the entry

ApexNo. ba60f

Direct Drop-In Threaded Barrel for FN Reflex and FN Reflex XL

Fits FN Reflex and Reflex XL | Threaded | Drop-in

$210.38Read the entry

Polymer80No. b7299

WRAITH - FDE - No Barrel

Glock Slides, Gun Slides

$299.98Read the entry

Polymer80No. 475d6

WRAITH - BLACK - No Barrel

Glock Slides, Gun Slides

$299.98Read the entry

MossbergNo. 77812

Mossberg 500XBL Security Matte Blue

★ 4.8 (9)

$151.19Read the entry

MossbergNo. 46312

Mossberg 500XBL 20 Gauge Blue Slug-Adjustable Rifle Sights

★ 5.0 (5)

$187.79Read the entry

Springfield ArmoryNo. 40830

Springfield Armory LevAR Ratcheting Charging Handle

★ 4.2 (5)

$72.59Read the entry

MossbergNo. 46585

Mossberg 870XBL 12 Gauge 24in RS Cylinder Bore Barrel Matte Blue

★ 5.0 (3)

$191.39Read the entry

MossbergNo. 21582

Mossberg 500XBL 20 Gauge 24 inch Rifled Barrel Cantilever Scope Mount Combo Blued

★ 5.0 (3)

$313.19Read the entry

CZNo. 11060

CZ Scorpion Adapter and Tube Kit Flat Black Anodized

★ 5.0 (2)

$95.39Read the entry

CatalogueNo. 3473

Daniel Defense Collapsible Buttstock with QD Swivel Brown

★ 4.0 (2)

$155.99Read the entry

CatalogueNo. 78700

HK MR556A4 Upper Receiver Kit

★ 5.0 (1)

$2441.39Read the entry

CatalogueNo. 76081

HK P30L 9mm Threaded Barrel

★ 5.0 (1)

$288.59Read the entry

CZNo. 24218

CZ 457 American .22 WMR 24in Barrel Nitrided

★ 5.0 (1)

$324.59Read the entry

CZNo. 24225

CZ 457 American SR Barrel Set .22 LR 20in Nitrided

★ 5.0 (1)

$324.59Read the entry

CatalogueNo. 04635

FNH PS90 P90 BARREL SIDE ACCESSORY RAIL

★ 5.0 (1)

$65.39Read the entry

CatalogueNo. 3475

Daniel Defense DDF Adjustable Collapsible Buttstock Black

★ 5.0 (1)

$103.79Read the entry

CatalogueNo. 19688

Daniel Defense Grip-N-Rip Charging Handle AR-15 Black Hardcoat Anodized

★ 5.0 (1)

$134.99Read the entry

CatalogueNo. 78756

HK USP Compact 45 Threaded Barrel Black

★ 5.0 (1)

$297.59Read the entry

CZNo. 24116

CZ 457 American SR Barrel Set Nitride

★ 5.0 (1)

$324.59Read the entry

CZNo. 24228

CZ 457 Varmint Replacement Barrel 24 in Nitride

★ 5.0 (1)

$324.59Read the entry

CatalogueNo. 08224

Daniel Defense DD-21007 Semi-Automatic Lower Receiver Parts Kit

★ 4.0 (1)

$147.59Read the entry

CatalogueNo. 76079

HK VP9 Tactical Threaded Barrel 9mm

$288.59Read the entry

CatalogueNo. 78765

HK Thread Protector .45 Cal Matte Black Steel

$32.99Read the entry

CatalogueNo. 78770

HK USC/SL8 Universal Picatinny HandGuard Rail With Screws

$73.19Read the entry

CatalogueNo. 78771

HK USC SL8 UMP Picatinny Receiver Rail

$77.99Read the entry

CatalogueNo. 78755

HK USP-T .45 ACP 5.09in Threaded Barrel

$288.59Read the entry

CatalogueNo. 02744

HK Aluminum Receiver Rail for USC

$80.39Read the entry

CatalogueNo. 78763

HK HK45 Tactical Threaded Barrel 5.20in

$285.59Read the entry

CatalogueNo. 76080

HK P30 Threaded Barrel

$297.59Read the entry

CatalogueNo. 54337

FN FNLE AR15 16 in Barrel

$287.99Read the entry

CatalogueNo. 54340

FN FN AR-15 5.56mm NATO 14.70 in Carbine-Length Barrel Manganese Phosphate

$355.79Read the entry

CatalogueNo. 96530

Daniel Defense DANIEL DEF. AR15 FURNITURE KIT Black

$175.79Read the entry

CatalogueNo. 17738

Daniel Defense DDM4 v7S Complete Upper Receiver Black

$1670.40Read the entry

CatalogueNo. 3460

Daniel Defense MK18 Upper Flat Dark Earth

$1744.80Read the entry

CatalogueNo. 3474

Daniel Defense 2810206145012 Collapsible Buttstock Collapsible

$168.00Read the entry

CatalogueNo. 34290

Daniel Defense DD M4A1 FSP RIS II Complete Upper 14.5in Flat Dark Earth

$1864.19Read the entry

CatalogueNo. 14174

Daniel Defense MK18 Complete Upper 10.3 inches 5.56mm NATO Matte Black

$1797.59Read the entry

CatalogueNo. 43763

Daniel Defense MK18 RIII URG Matte Black

$1744.80Read the entry

CatalogueNo. 18867

Daniel Defense DD Wave Muzzle Brake Black

$144.59Read the entry

CatalogueNo. 17739

Daniel Defense DDM4 v7 Upper Receiver Group Lightweight Mid-Length

$1467.59Read the entry

CatalogueNo. 09720

Daniel Defense Rock and Lock A1.5 Rear AR 15 Sight

$127.19Read the entry

CatalogueNo. 12155

Daniel Defense M4A1 RIS II Rail Assembly Black

$623.39Read the entry

CatalogueNo. 18868

Daniel Defense DD Wave Muzzle Brake Black

$152.39Read the entry

CatalogueNo. 46243

Daniel Defense Rock and Lock Front Sight Black Aluminum

$85.79Read the entry

CatalogueNo. 17473

Daniel Defense Government Profile Cold Hammer Forged Carbine Threaded Barrel 12.5 in Phosphate

$421.79Read the entry

CatalogueNo. 19689

Daniel Defense GRIP-N-RIP Charging Handle AR-10 7.62 Black Hardcoat Anodized

$133.20Read the entry

CatalogueNo. 77126

Daniel Defense Bolt Carrier Group Complete 5.56mm NATO

$283.79Read the entry

CatalogueNo. 14147

Daniel Defense Flash Suppressor Assembly .223/5.56mm 1/2x28 1.875 Inch Length Black

$73.19Read the entry

CatalogueNo. 17444

Daniel Defense Gen 2 Muzzle Climb Mitigator 1/2-28 TPI Salt Bath Nitride

$105.59Read the entry

CatalogueNo. 14140

Daniel Defense Superior Suppressor Device .223/5.56mm 1/2x28 TPI 1.875in Black

$90.59Read the entry

CatalogueNo. 14148

Daniel Defense Flash Suppressor Assembly .223/5.56mm 5/8-24 Black

$70.80Read the entry

CatalogueNo. 14161

Daniel Defense Buffer Spring Carbine Mil-Spec

$21.59Read the entry

CatalogueNo. 59718

Daniel Defense Lite Rail Barrel Nut Wrench

$12.59Read the entry

CatalogueNo. 3489

DDF 0707716176018 BARREL 5.56 10.3

$388.19Read the entry

CatalogueNo. 3491

Daniel Defense DDF 0707719125018 Mid-Length 5.56 14.5

$421.79Read the entry

CatalogueNo. 3492

Daniel Defense DDF 0707709173018 Mid-Length Government Profile Melonite

$434.39Read the entry

CatalogueNo. 3495

Daniel Defense Mid-Length Lightweight Profile Barrel 5.56mm NATO 16in

$421.79Read the entry

CatalogueNo. 08243

Daniel Defense .750 Clamp Low Profile Gas Block Black

$89.99Read the entry

CatalogueNo. 17470

Daniel Defense LPG Mid-Length Government Profile Threaded Barrel 16 inch 5.56mm Phosphate

$504.00Read the entry

CatalogueNo. 62474

AKM/AKMS (AK47) Recevier blank/Inner receiver rail set, Radom (Poland) 7.62.39mm

$47.99Read the entry

CatalogueNo. 34516

TANDEM TKX22 RECEIVER

$181.19Read the entry

CatalogueNo. 98756

Yankee Hill Machine 110 Flat Top Stripped Upper Receiver Black

$121.19Read the entry

CatalogueNo. 46729

TacFire BU-556-7 Black

$345.59Read the entry

CatalogueNo. 46739

TacFire BU-9MM-10

$365.99Read the entry

CatalogueNo. 99914

Spike's Tactical M4 Flat Top Upper Receiver 7075 T6 Aluminum Black

$124.20Read the entry

CatalogueNo. 46732

TacFire BU-300-10 Complete Upper Assembly 300 Blackout 10 inch Black

$362.99Read the entry

CatalogueNo. 46728

TacFire BU-556-5

$414.59Read the entry

CatalogueNo. 23985

CMMG RESOLUTE MK4 Upper Group 6mm ARC 16.1 Black Cerakote

$944.39Read the entry

CatalogueNo. 20711

Spike's Tactical SFT902D 9mm Flat Top Upper Receiver Black

$124.20Read the entry

CatalogueNo. 53725

Sharps Bros Heatseeker Chassis 14in Handguard

$463.79Read the entry

CatalogueNo. 46731

TacFire BU-556-16 Complete Upper Assembly 5.56x45mm NATO 16" M-LOK Black

$379.79Read the entry

CatalogueNo. 46735

TacFire BU-308-18 Complete Upper Assembly

$518.39Read the entry

CatalogueNo. 42585

Patriot Ordnance Factory P415 Complete Upper Black

$1336.19Read the entry

CatalogueNo. 46736

TacFire BU-308-20 Complete Upper Assembly

$518.39Read the entry

CatalogueNo. 46742

TacFire BU-45ACP-16 Complete Upper Assembly

$365.99Read the entry

CatalogueNo. 80796

Battle Arms Development AR-15 Lightweight Billet Lower Receiver Black

$382.80Read the entry

CatalogueNo. 99748

Spike's Tactical ST-15 Enhanced Mid-Length Upper

$946.08Read the entry

CatalogueNo. 26460

Patriot Ordnance Factory P-415 Edge Upper Complete 10.5in 5.56mm Bronze

$1559.99Read the entry

CatalogueNo. 11883

Wilson Combat Forged Upper Receiver Black Anodized

$101.94Read the entry

CatalogueNo. 46733

TacFire BU-300-16 Complete Upper Assembly Black

$350.99Read the entry

CatalogueNo. 46730

TacFire BU-556-10 Complete Upper Assembly Black

$362.99Read the entry

CatalogueNo. 78753

HK USP Tactical Threaded Barrel

$233.39Read the entry

CatalogueNo. 78739

HK 207330 Thread Protector Cap for 9mm USP P30 VP9

$32.99Read the entry

CatalogueNo. 54343

FN AR-15 18in Rifle Length Gas System Chrome Lined Cold Hammer Forged Barrel

$367.19Read the entry

Diamondback FirearmsNo. 48391

Diamondback Firearms Diamondback 308M135M50B10 308 Win 343mm Mid-Length Black Nitride

$154.19Read the entry

CatalogueNo. 44876

Alexander Arms Tactical Complete Upper UTA50 Black Cerakote

$875.39Read the entry

CZNo. 24223

CZ CZ 457 Varmint Barrel Set .22 WMR 20in Nitride

$324.59Read the entry

CZNo. 24226

CZ 457 American SR BBL 20in Nitrided

$324.59Read the entry

CZNo. 24220

CZ 457 Lux Barrel Set Nitrided

$412.19Read the entry

CZNo. 24221

CZ 457 Lux Barrel Set .22 WMR 24in Nitrided

$412.19Read the entry

CZNo. 24229

CZ 457 Varmint SR .17 HMR Nitrided

$324.59Read the entry

CZNo. 24222

CZ 457 Lux Barrel Set Nitride

$412.19Read the entry

CZNo. 24227

CZ 457 Varmint SR Nitride

$324.59Read the entry

CatalogueNo. 46707

ORTHOS Raider S4 18.5″ Barrel Competition Woodland

used

$1954.99Read the entry

COLTNo. 12911

Colt Pocket Navy Conversion with 3″ Barrel and Loading Gate

used

$3737.50Read the entry

COLTNo. 32722

Colt 3” Barrel 1849 Pocket Model

used

$8625.00Read the entry

CatalogueNo. 57103

Cased J. Purdey & Sons 2 Barrel SET 12 Bore KEN Hunt Engraved

used

$74750.00Read the entry

CatalogueNo. 64006

Tactical Solutions Trail-Lite Barrel .22 LR

used

$229.94Read the entry

CatalogueNo. 15565

Lane & Read Boston Heavy Barrel Target .58 caliber

used

$4025.00Read the entry

CatalogueNo. 59759

Rare Double Barrel Coach Gun by Williams

used

$20125.00Read the entry

COLTNo. 32765

Colt 1849 Pocket .31 caliber with Crowned Muzzle

used

$11442.50Read the entry

CatalogueNo. 48017

MG42/M53 MG barrel extension/locking frame

used

$57.50Read the entry

GLOCKNo. 44724

StormLake Glock 23 .40S&W Barrel

used

$172.50Read the entry

CatalogueNo. 43782

M1903A3 Barrel 24″

used

$460.00Read the entry

CatalogueNo. 44703

BAR-STO 10MM Barrel 5″

used

$287.50Read the entry

CatalogueNo. 59640

Rare Pecare & Smith Four Barrel Pepperbox

used

$3789.25Read the entry

CatalogueNo. 34184

Double Cased Pair of Double Barrel Percussion Pistols by Rabone Brothers & Company

used

$8625.00Read the entry

COLTNo. 45762

Colt 1849 Pocket w/ 6” Barrel

used

$3789.25Read the entry

GLOCKNo. 44736

Fire Dragon 9mm Conversion Barrel Glock 23/32

used

$172.50Read the entry

CatalogueNo. 83352

Afghan Flintlock Jezail Heavy Barrel Wall Gun, 1-Inch Bore

used

$8625.00Read the entry

CatalogueNo. 48013

MG42/M53 barrel extension/locking frame

used

$57.50Read the entry

CatalogueNo. 64332

Beautiful Germanic Double Barrel Fowler

used

$17825.00Read the entry

GLOCKNo. 44713

KKM Precision Glock 23 .40S&W Barrel

used

$201.25Read the entry

Polymer80No. 4a0d9

SMITH DEFENSE - 9MM G19 Fluted Barrel - Black Nitride

Pistol Barrels

$99.99Read the entry

Polymer80No. d9000

SMITH DEFENSE - 9MM G19 Barrel - SS

Pistol Barrels

$99.99Read the entry

Polymer80No. 77a24

SMITH DEFENSE - 9MM G19 Barrel - Light Gold (ZRN)

Pistol Barrels

$149.99Read the entry

Polymer80No. e452b

SMITH DEFENSE - 9MM G19 Barrel - Gold/TiN

Pistol Barrels

$139.99Read the entry

Polymer80No. c93f1

SMITH DEFENSE - 9MM Fluted G19 Barrel - SS

Pistol Barrels

$99.99Read the entry

Polymer80No. 3126c

Raw Forged Mil-Spec AR-15 Upper Receiver

Stripped Upper Receivers

$69.99Read the entry

Polymer80No. 63c8b

Radical Firearms 16″ 5.56 M-Lok Upper

Complete AR 15 Upper Receivers

$462.33Read the entry

Polymer80No. 7015e

KAK Complete AR15 Upper Receiver - 9mm - 8″ Barrel -7.2″ MLOK

Complete Upper Receivers

$451.95Read the entry

Polymer80No. c3781

KAK Complete AR15 Upper Receiver - 9mm - 8″ Barrel - 9″ MLOK

Complete Upper Receivers

$463.95Read the entry

Polymer80No. b8583

KAK Complete AR15 Upper Receiver - 9mm - 4″ Barrel - 5.5″ MLOK

Complete Upper Receivers

$429.95Read the entry

Polymer80No. 4d8c4

KAK Complete AR15 Upper Receiver - 9mm - 16″ Barrel - 13″ MLOK

Complete Upper Receivers

$490.95Read the entry

Polymer80No. d2b21

KAK Complete AR15 Upper Receiver - 9mm - 11″ Barrel - 9.8″ MLOK

Complete Upper Receivers

$472.95Read the entry

Polymer80No. dcb13

Glock 19 Complete Slide - Black - Stainless Barrel

Glock Slides, Gun Slides

$439.99Read the entry

Polymer80No. 96481

Glock 17 Complete Slide - Black - Stainless Barrel

Glock Slides, Gun Slides

$439.99Read the entry

Polymer80No. 6be3f

Forged Mil-Spec AR-15 Upper Receiver Black

M4 Upper Receivers

$79.99Read the entry

Polymer80No. aa8b5

DPMS 7.5″ 300AAC Blackout Quad-Rail Upper

Complete AR 15 Upper Receivers

$410.16Read the entry

Polymer80No. f852c

DPMS 7.5″ 300AAC Blackout M-lok Upper

Complete AR 15 Upper Receivers

$410.16Read the entry

Polymer80No. 7ed0e

DPMS 16″ 5.56 Quad-Rail Upper

Complete AR 15 Upper Receivers

$393.20Read the entry

Polymer80No. bb2a3

DPMS 16″ 5.56 13.5″ M-Lok Upper

Complete AR 15 Upper Receivers

$414.19Read the entry

Polymer80No. 5dbc7

DPMS 10.5″ 5.56 Quad-Rail Upper

Complete AR 15 Upper Receivers

$390.50Read the entry

Polymer80No. d4ed5

DPMS 10.5″ 300AAC Blackout Quad-Rail Upper

Complete AR 15 Upper Receivers

$388.56Read the entry

Polymer80No. 8af65

DPMS “Kitty Kat” 7.5″ 5.56 1:7 C7 Carry Handle Upper

Complete AR 15 Upper Receivers

$531.60Read the entry

Polymer80No. b22d1

DPMS “Kitty Kat” 7.5″ 300AAC 1:7 C7 Carry Handle Upper

Complete AR 15 Upper Receivers

$569.92Read the entry

Polymer80No. 32d5a

BCM MCMR 15″ M-Lok Handguard

Handguards

$210.00Read the entry

Polymer80No. d752e

Aero Precision M5 .308 Stripped Upper Receiver

Stripped Upper Receivers

$134.99Read the entry