Keep your firearms in top condition with a wide selection of Gun Parts available at Great Lake Firearms in Porter, IN. Whether you need replacement components, upgrade parts, or accessories for handguns, rifles, or shotguns, our inventory includes barrels, triggers, stocks, springs, and more. We offer parts compatible with popular firearm models, ensuring quality and reliability in every piece. Pair your parts with the right tools and accessories to maintain or customize your firearm to your specifications. Trust Great Lake Firearms in Porter, IN for expert advice and a full range of gun parts to keep your firearms performing at their best.

K-SPEC AR-15 A5-LENGTH H4 BUFFER/SPRING KIT 7.3OZ OD GREEN

$61.16
K-SPEC AR-15 A5-LENGTH H4 BUFFER/SPRING KIT 7.3OZ OD GREEN
Purchase & earn 61 points!Add to cart

K-SPEC AR-15 A5-LENGTH H2 BUFFER/SPRING KIT 5.6OZ OD GREEN

$48.56
K-SPEC AR-15 A5-LENGTH H2 BUFFER/SPRING KIT 5.6OZ OD GREEN
Purchase & earn 49 points!Add to cart

ARAK-21 7.62X39MM COMPLETE UPPER RECEIVER 16” MEDIUM BBL BLK

$975.00
ARAK-21 7.62X39MM COMPLETE UPPER RECEIVER 16'' MEDIUM BBL BLK
Purchase & earn 975 points!Add to cart

BERETTA 92FS/96FS SKELETONIZED – HAMMER STAINLESS STEEL

$48.00
BERETTA 92FS/96FS SKELETONIZED - HAMMER STAINLESS STEEL
Purchase & earn 48 points!Read more

MOSSBERG HEAT SHIELD KIT BLACK – 12GA FOR MODELS 500 535 590

$41.00
MOSSBERG HEAT SHIELD KIT BLACK - 12GA FOR MODELS 500 535 590
Purchase & earn 41 points!Add to cart

POF USA P-415 EDGE UPPER 300BLK 10.5″

$1,359.00
POF USA P-415 EDGE UPPER 300BLK 10.5"
Purchase & earn 1,359 points!Add to cart

POF USA P-415 EDGE UPPER 5.56 16.5″ BK

$1,359.00
POF USA P-415 EDGE UPPER 5.56 16.5" BK
Purchase & earn 1,359 points!Add to cart

SPORTER CF STOCK FOR LA REMINGTON 700 GREEN W/TAN WEBBING

$386.00
SPORTER CF STOCK FOR LA REMINGTON 700 GREEN W/TAN WEBBING
Purchase & earn 386 points!Add to cart

Triggertech Rem Model 7 Primary Single Stage Trigger 1.5-4 lbs Curved Black

$166.00
Triggertech Rem Model 7 Primary Single Stage Trigger 1.5-4 lbs Curved Black
Purchase & earn 166 points!Add to cart

Bergara 30MOA Rail – Short Action – Fits Rem700-w/both 6-48 and 8-40 screws

$65.00
Bergara 30MOA Rail - Short Action - Fits Rem700-w/both 6-48 and 8-40 screws
Purchase & earn 65 points!Add to cart

LOWER W/MK2RMS-M1T0 & STOCK MOD-0-SOPMOD BLK

$549.00
LOWER W/MK2RMS-M1T0 & STOCK MOD-0-SOPMOD BLK
Purchase & earn 549 points!Add to cart

M-LOK PICATINNY RAIL SECTION

$33.00
M-LOK PICATINNY RAIL SECTION
Purchase & earn 33 points!Add to cart

BRN AR-15 MASTER SHIM SET

$61.00
BRN AR-15 MASTER SHIM SET
Purchase & earn 61 points!Add to cart

PRO-SPRING KIT #SWK/L/N-202 FOR S&W K, L, N FRAME REVOLVER

$14.00
PRO-SPRING KIT #SWK/L/N-202 FOR S&W K, L, N FRAME REVOLVER
Purchase & earn 14 points!Add to cart

REMINGTON 700 PRIMARY TRIGGER FLAT BLACK

$179.99
REMINGTON 700 PRIMARY TRIGGER FLAT BLACK
Purchase & earn 180 points!Add to cart

FN15/AR 16” CARBINE UPPER RECEIVER ASSEMBLY

$889.00
FN15/AR 16'' CARBINE UPPER RECEIVER ASSEMBLY
Purchase & earn 889 points!Add to cart

AR-15 5.56MM SEMI-AUTO BOLT CARRIER GROUP BLACK

$242.10
AR-15 5.56MM SEMI-AUTO BOLT CARRIER GROUP BLACK
Purchase & earn 242 points!Add to cart

RUGER~ 77 (W/TANG SAFETY) TRIGGER

$164.00
RUGER~ 77 (W/TANG SAFETY) TRIGGER
Purchase & earn 164 points!Add to cart

MCR MAGAZINE ADAPTER

$130.99
MCR MAGAZINE ADAPTER
Purchase & earn 131 points!Read more