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Rifle Parts

Whether you're looking for a new barrel or a conversion kit, Classic Firearms has all the parts you need for your rifle build. Shop popular brands like Aero Precision, Magpul, CMMG, and Strike Industries online at Classic Firearms!

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UTG Leapers Ergonomic Ambidextrous Vertical Foregrip, Black RB-FGrip168B

UTG Leapers Ergonomic Ambidextrous Vertical Foregrip, Black RB-FGrip168B
$11 99 $13.99
In Stock
Anderson AR-15 Stripped Lower Receiver Open Trigger Guard, 7075-T6 Aluminum - AR15-A3-LWFOR

Anderson AR-15 Stripped Lower Receiver Open Trigger Guard, 7075-T6 Aluminum - AR15-A3-LWFOR
$49 99
In Stock
TacFire A.C.E. M-Lok Handguard 15" Black Hardcoat Anodized Aluminum for AR-15

TacFire A.C.E. M-Lok Handguard 15" Black Hardcoat Anodized Aluminum for AR-15
$48 89
In Stock
Aero Precision - AR-15 BREACH Ambi Charging Handle with Large Lever - Black - APRA700101C

Aero Precision - AR-15 BREACH Ambi Charging Handle with Large Lever - Black - APRA700101C
$84 99
In Stock
TacFire MZ1020 Linear Compensator Black Nitride Steel with 1/2"-28 tpi Threads, 2.26" OAL & 0.87" Diameter for 5.56x45mm NATO AR-15

TacFire MZ1020 Linear Compensator Black Nitride Steel with 1/2"-28 tpi Threads, 2.26" OAL & 0.87" Diameter for 5.56x45mm NATO AR-15
$17 23
In Stock
AR-15/M16 Swiss Pattern Vertical Foregrip Black Polymer - PM007, by ProMag

AR-15/M16 Swiss Pattern Vertical Foregrip Black Polymer - PM007, by ProMag
$10 99
In Stock
Anderson AR-15 Complete Lower Receiver W/ 6 Position Adjustable Stock - Ready To Accept Any Complete Upper - Simply Push Pins and Rock And Roll

Anderson AR-15 Complete Lower Receiver W/ 6 Position Adjustable Stock - Ready To Accept Any Complete Upper - Simply Push Pins and Rock And Roll
$137 99 $144.99
In Stock
Aero Precision M4E1 PRO LAUNCH EDITION, Ambidextrous Controls, Stripped Lower Receiver - Anodized Black - APAR600033C

Aero Precision M4E1 PRO LAUNCH EDITION, Ambidextrous Controls, Stripped Lower Receiver - Anodized Black - APAR600033C

$219 99 $289.99
In Stock
Only 2 Left!
TacFire MAR093 Dust Cover AR-15 Black Steel

TacFire MAR093 Dust Cover AR-15 Black Steel
$5 99
In Stock
Anderson AR-15 Stripped Lower Receiver Closed Trigger - AR15-A3-LWFOR-UM-CLOSED

Anderson AR-15 Stripped Lower Receiver Closed Trigger - AR15-A3-LWFOR-UM-CLOSED
$42 99 $49.99
In Stock
TacFire MAR108 Anti-Walk Pin Set Black Steel AR-15

TacFire MAR108 Anti-Walk Pin Set Black Steel AR-15
$5 99
In Stock
Aero Precision AR15 Stripped Lower Receiver, Gen 2 - Anodized Black - APAR501101C

Aero Precision AR15 Stripped Lower Receiver, Gen 2 - Anodized Black - APAR501101C
$74 99 $119.99
In Stock
Magpul MAG980-BLK B.A.D. Lever Black Aluminum Mil-Spec Right Hand AR-15

Magpul MAG980-BLK B.A.D. Lever Black Aluminum Mil-Spec Right Hand AR-15
$31 30
In Stock
Mil-Spec 6 Position Buffer Tube, Spring, Buffer,Plate Nut .223 Carbine Rifle Kit - ST007M

Mil-Spec 6 Position Buffer Tube, Spring, Buffer,Plate Nut .223 Carbine Rifle Kit - ST007M
$22 76
In Stock
Tacfire 5.56x45mm 7" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-7

Tacfire 5.56x45mm 7" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-7
$273 61
In Stock
AR57 16" Complete ULT M-LOK Upper Receiver 5.7x28 Caliber With BCG, Muzzle Brake, M-LOK Rails and 1-50 Round Mag, Drop In Ready

AR57 16" Complete ULT M-LOK Upper Receiver 5.7x28 Caliber With BCG, Muzzle Brake, M-LOK Rails and 1-50 Round Mag, Drop In Ready
$649 99
In Stock
Bravo Company MFG Gunfighter Vertical Grip Mod-3 - Black - VGMCMRMOD3BK

Bravo Company MFG Gunfighter Vertical Grip Mod-3 - Black - VGMCMRMOD3BK
$18 95
In Stock
Magpul M-LOK AFG - Angled Fore Grip MAG598

Magpul M-LOK AFG - Angled Fore Grip MAG598
$25 60
In Stock
UTG Pro Monolithic M-LOK handguard, for MP5K Pistols - MTU055SSMK

UTG Pro Monolithic M-LOK handguard, for MP5K Pistols - MTU055SSMK
$129 99 $189.99
In Stock
Mil-Spec 6 Position Stock Set, Buffer Tube, Spring, Buffer,Plate Nut .223 Carbine Rifle Kit - ST003M+ST007M

Mil-Spec 6 Position Stock Set, Buffer Tube, Spring, Buffer,Plate Nut .223 Carbine Rifle Kit - ST003M+ST007M
$28 28
In Stock
LBE ARGripSW AR15 Grip Screw & Lock Tooth WSHR

LBE ARGripSW AR15 Grip Screw & Lock Tooth WSHR

$1 76
In Stock
Fostech Echo Sport Trigger Fast Fire Binary Trigger System For AR-15 Platform Rifles, Safe, Semi, and Echo Firing Modes - Model 4140

Fostech Echo Sport Trigger Fast Fire Binary Trigger System For AR-15 Platform Rifles, Safe, Semi, and Echo Firing Modes - Model 4140
$229 99
In Stock
TacFire MAR105M M-LOK 7-Slot Black Hardcoat Anodized 2.95"

TacFire MAR105M M-LOK 7-Slot Black Hardcoat Anodized 2.95"
$4 99
In Stock
Tacfire Knurled Linear Compensator Sound & Concussion Forwarder For .223/5.56 - 1/2x28 Thread Pitch - Black Nitride - MZ1023

Tacfire Knurled Linear Compensator Sound & Concussion Forwarder For .223/5.56 - 1/2x28 Thread Pitch - Black Nitride - MZ1023

$18 90
In Stock
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