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AR-15

The AR-15 is the undisputed standard for modularity and performance. Whether you're setting up a home defense platform, upgrading to a duty rifle, or building a range gun that everyone will be envious of, Classic Firearms is here to help. Check out our selection of AR-15 rifles and AR-15 pistols from popular brands including ATI, Radical, Colt, Springfield, and Daniel Defense. If building is more your thing, we offer a great selection of upper receivers, lower receivers, kits, and parts. Of course, do not forget the magazines. All at Classic Firearms' incredible prices.

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Classic Firearms Video Team Special Used Long Guns - Various Manufacturers and Models

Classic Firearms Video Team Special Used Long Guns - Various Manufacturers and Models
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In Stock
LBE Unlimited ARGRPSW AR-15 Grip Screw & Lock Tooth Washer, Firearm Parts, Attaches Pistol Grip to Receiver.

LBE Unlimited ARGRPSW AR-15 Grip Screw & Lock Tooth Washer, Firearm Parts, Attaches Pistol Grip to Receiver.

$1 76
In Stock
LBE Unlimited ARBGR AR Bolt Gas Rings Set of 3, Firearm Parts, Stainless Steel, Made in USA.

LBE Unlimited ARBGR AR Bolt Gas Rings Set of 3, Firearm Parts, Stainless Steel, Made in USA.
$1 80
In Stock
LBE Unlimited AR Magazine Release Button, AR-15, Firearm Parts, Steel Construction, Black Finish.

LBE Unlimited AR Magazine Release Button, AR-15, Firearm Parts, Steel Construction, Black Finish.

$2 16
In Stock
TacFire Receiver End Plate Black Steel for AR-15

TacFire Receiver End Plate Black Steel for AR-15

$2 92
In Stock
LBE Unlimited ARSPRG AR-15 Carbine Length Recoil Spring, 17-7 Stainless Steel, Made in USA

LBE Unlimited ARSPRG AR-15 Carbine Length Recoil Spring, 17-7 Stainless Steel, Made in USA

$2 96
In Stock
TAPCO Intrafuse Chamber Flag / Range Tool - 6 Pack - 16804

TAPCO Intrafuse Chamber Flag / Range Tool - 6 Pack - 16804
$2 99
In Stock
TAPCO Intrafuse AR-15 Trigger Guard - Black - 16632

TAPCO Intrafuse AR-15 Trigger Guard - Black - 16632

$2 99 $4.49
In Stock
CMMG 55AFFDC Buffer Retainer AR-15

CMMG 55AFFDC Buffer Retainer AR-15

$3 05
In Stock
LBE Unlimited ARHCR AR-15 Handguard Cap Round Steel .750" Diameter With M4 Cuts

LBE Unlimited ARHCR AR-15 Handguard Cap Round Steel .750" Diameter With M4 Cuts

$3 24
In Stock
Luth-AR CS-01 Carbine Latch Plate for AR-10, AR-15, LR-308

Luth-AR CS-01 Carbine Latch Plate for AR-10, AR-15, LR-308

$3 34
In Stock
Tacfire AR-15 6-Position Carbine Buffer Spring

Tacfire AR-15 6-Position Carbine Buffer Spring
$3 35
In Stock
TacFire MAR039 Castle Nut AR-15 Stocks and Forends Steel Black Fits .223/5.56 Rifle Carbine Buffer Tube.

TacFire MAR039 Castle Nut AR-15 Stocks and Forends Steel Black Fits .223/5.56 Rifle Carbine Buffer Tube.
$3 43
In Stock
LBE Unlimited Standard Trigger Guard AR-15 Aluminum Black, Model AR15TG, Straight Style, Fits AR-15.

LBE Unlimited Standard Trigger Guard AR-15 Aluminum Black, Model AR15TG, Straight Style, Fits AR-15.

$3 60
In Stock
Magpul MAG216-BLK PMAG Impact/Dust Cover AR/M4 GEN M2 MOE Black/Includes 3

Magpul MAG216-BLK PMAG Impact/Dust Cover AR/M4 GEN M2 MOE Black/Includes 3
$3 75
In Stock
LBE Unlimited ARTPS AR-Platform Front Sight Taper Pins, Steel, Black, 2-Pack

LBE Unlimited ARTPS AR-Platform Front Sight Taper Pins, Steel, Black, 2-Pack

$3 83
In Stock
Wilson Combat TREPDK Ejection Port Cover Parts Kit for AR-15

Wilson Combat TREPDK Ejection Port Cover Parts Kit for AR-15

$3 95
In Stock
LBE Unlimited ARCPN Cam Pin AR15/M16 Steel, Bolt Carrier Group Part, Made in USA

LBE Unlimited ARCPN Cam Pin AR15/M16 Steel, Bolt Carrier Group Part, Made in USA

$4 04
In Stock
Tacfire MAR090-SET AR15 Take Down PIN SET

Tacfire MAR090-SET AR15 Take Down PIN SET

$4 10
In Stock
Luth-AR BS-10B AR-15 Rifle Buffer Spring .223/5.56 13-1/4" 44 Coils

Luth-AR BS-10B AR-15 Rifle Buffer Spring .223/5.56 13-1/4" 44 Coils

$4 22
In Stock
Tacfire MAR091-SET AR10 Take Down PIN SET

Tacfire MAR091-SET AR10 Take Down PIN SET

$4 54
In Stock
LBE Unlimited ARMCASY AR-15 Mil Spec Mag Catch Assembly, Steel, Black Finish, Includes Mag Catch, Spring, Button.

LBE Unlimited ARMCASY AR-15 Mil Spec Mag Catch Assembly, Steel, Black Finish, Includes Mag Catch, Spring, Button.

$4 67
In Stock
Luth-AR BS-10A AR Carbine Buffer Spring .223/5.56 10-3/4" 37 Coils

Luth-AR BS-10A AR Carbine Buffer Spring .223/5.56 10-3/4" 37 Coils

$4 69
In Stock
Luth-AR CS-02 Carbine Lock Ring / Castle Nut 4140 Steel Manganese Phosphate

Luth-AR CS-02 Carbine Lock Ring / Castle Nut 4140 Steel Manganese Phosphate

$4 75
In Stock
Tacfire MAR078-S AR15 END Plate Center QD Attach

Tacfire MAR078-S AR15 END Plate Center QD Attach

$4 83
In Stock
Strike Industries Siarstocksto AR Stock Stop Thermoplastic Black 3.48" L x 0.334" W x 0.422" H

Strike Industries Siarstocksto AR Stock Stop Thermoplastic Black 3.48" L x 0.334" W x 0.422" H

$4 95
In Stock
CMMG Carbine Buffer Spring AR-15 Stainless Steel, Silver Finish, Rifle Part

CMMG Carbine Buffer Spring AR-15 Stainless Steel, Silver Finish, Rifle Part

$4 98
In Stock
Battle Arms Development Enhanced Magazine Release - Anodized Clear - BAD-EMR-C

Battle Arms Development Enhanced Magazine Release - Anodized Clear - BAD-EMR-C

$4 99 $6.75
In Stock
Only 3 Left!
Tapco TAP22031 End Plate Sling Adapter Black Steel AR Platform

Tapco TAP22031 End Plate Sling Adapter Black Steel AR Platform

$5 00
In Stock
LBE Unlimited Receiver End Plate AR-15 Steel Mag Phosphate Finish

LBE Unlimited Receiver End Plate AR-15 Steel Mag Phosphate Finish
$5 04
In Stock
TacFire MAR120 Firing Pin 5.56x45mm NATO Hard Chrome Steel for AR15/M16

TacFire MAR120 Firing Pin 5.56x45mm NATO Hard Chrome Steel for AR15/M16

$5 11
In Stock
LBE Unlimited ARBCASY AR Mil Spec Bolt Catch Assembly AR Parts, AR-Platform, Steel, Includes Roll Pin & Spring.

LBE Unlimited ARBCASY AR Mil Spec Bolt Catch Assembly AR Parts, AR-Platform, Steel, Includes Roll Pin & Spring.

$5 25
In Stock
CMMG Zeroed Trigger Guard Kit, Black Polymer - 55AFFAE

CMMG Zeroed Trigger Guard Kit, Black Polymer - 55AFFAE

$5 28
In Stock
TacFire MAR108 Anti-Walk Pin Set Black Steel AR-15

TacFire MAR108 Anti-Walk Pin Set Black Steel AR-15
$5 49 $6.99
In Stock
LBE Unlimited ARCNUT AR-15 Castle Nut, 4140 Steel, Manganese Phosphate Finish.

LBE Unlimited ARCNUT AR-15 Castle Nut, 4140 Steel, Manganese Phosphate Finish.

$5 54
In Stock
LBE Unlimited AR Forward Assist Roll Pin 20 Pack, AR-15, Black Steel, Small Parts

LBE Unlimited AR Forward Assist Roll Pin 20 Pack, AR-15, Black Steel, Small Parts

$5 73
In Stock
LBE Unlimited ARGTRP50PK Gas Tube Roll Pins AR-15 Firearm Parts, 50-Pack, Stainless Steel.

LBE Unlimited ARGTRP50PK Gas Tube Roll Pins AR-15 Firearm Parts, 50-Pack, Stainless Steel.

$5 73
In Stock
LBE Unlimited ARTGRP20PK AR-15 Trigger Guard Roll Pin Set 4140 Steel Black 20-Pack.

LBE Unlimited ARTGRP20PK AR-15 Trigger Guard Roll Pin Set 4140 Steel Black 20-Pack.

$5 73
In Stock
LBE Unlimited ARBCRP20PK Bolt Catch Roll Pins AR-15 Firearm Parts 20-Pack Steel

LBE Unlimited ARBCRP20PK Bolt Catch Roll Pins AR-15 Firearm Parts 20-Pack Steel

$5 73
In Stock
Pro-Shot 30NCH Chamber Brush Military Style 7.62mm/308 Cal AR Platform #8-32 Thread Nylon Bristles Brass Core

Pro-Shot 30NCH Chamber Brush Military Style 7.62mm/308 Cal AR Platform #8-32 Thread Nylon Bristles Brass Core

$5 75
In Stock
Only 6 Left!
LBE Unlimited ARPSR AR-Platform Front Sight Post, Includes Spring and Retainer, Steel, Black

LBE Unlimited ARPSR AR-Platform Front Sight Post, Includes Spring and Retainer, Steel, Black

$5 75
In Stock
LBE Unlimited ARFPN AR-15 Firing Pin, Steel, Chrome-Plated, Fits .223/5.56/.300 AAC Blackout

LBE Unlimited ARFPN AR-15 Firing Pin, Steel, Chrome-Plated, Fits .223/5.56/.300 AAC Blackout

$5 76
In Stock
LBE Unlimited ARSWIV Swivel Assembly Black Rifle AR-Platform

LBE Unlimited ARSWIV Swivel Assembly Black Rifle AR-Platform

$5 90
In Stock
Wilson Combat TREBS15SS Recoil Spring 308/7.62mm AR15/M16 Silver

Wilson Combat TREBS15SS Recoil Spring 308/7.62mm AR15/M16 Silver

$5 95
In Stock
TacFire MAR009 AR15 Pistol Length Gas Tube with Pin Stainless Steel

TacFire MAR009 AR15 Pistol Length Gas Tube with Pin Stainless Steel
$5 99
In Stock
Only 4 Left!
TacFire MAR093 AR-15 Dust Cover Black Steel with Knurled Rod, Firearm Parts

TacFire MAR093 AR-15 Dust Cover Black Steel with Knurled Rod, Firearm Parts
$5 99
In Stock
LBE Unlimited ARFAS20PK AR-15 Forward Assist Spring 20-Pack, High-Tensile Carbon Steel

LBE Unlimited ARFAS20PK AR-15 Forward Assist Spring 20-Pack, High-Tensile Carbon Steel

$5 99 $6.99
In Stock
TacFire TL008 Lower Vise Block 223 Rem,5.56x45mm NATO AR-15 Polymer

TacFire TL008 Lower Vise Block 223 Rem,5.56x45mm NATO AR-15 Polymer
$5 99
In Stock
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