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.

AK-47 HOB KNOB CHARGING HANDLE BLUE

$28.00
AK-47 HOB KNOB CHARGING HANDLE BLUE
Purchase & earn 28 points!Add to cart

ZERMATT ORIGIN/SOLUS PRE-FIT STAINLES 6.5 CREEDMOOR 26” 1-8

$579.00
ZERMATT ORIGIN/SOLUS PRE-FIT STAINLES 6.5 CREEDMOOR 26'' 1-8
Purchase & earn 579 points!Add to cart

Banish 5782 Thread Adapter for Walther P22/S&W M&P 22 M8x.75 to 1/2×28

$34.99
Banish 5782 Thread Adapter for Walther P22/S&W M&P 22 M8x.75 to 1/2x28
Purchase & earn 35 points!Add to cart

AK-47 HOB KNOB CHARGING HANDLE RED

$28.00
AK-47 HOB KNOB CHARGING HANDLE RED
Purchase & earn 28 points!Add to cart

S&W J-FRAME WRAP AROUND OPERATOR II, BLACK GRAY

$83.00
S&W J-FRAME WRAP AROUND OPERATOR II, BLACK GRAY
Purchase & earn 83 points!Add to cart

DUTY 9MM THREADED BBL FOR GLOCK-17 GEN 2-4 BLACK

$89.10
DUTY 9MM THREADED BBL FOR GLOCK-17 GEN 2-4 BLACK
Purchase & earn 89 points!Add to cart

MOE SL-S COLLAPSIBLE MIL-SPEC CARBINE STOCK FOR AR-15 ODG

$85.45
MOE SL-S COLLAPSIBLE MIL-SPEC CARBINE STOCK FOR AR-15 ODG
Purchase & earn 85 points!Add to cart

ION ULTRALIGHT 5.56 NATO COMPLETE UPPER RCVR 16” PENCIL BBL

$1,011.08
ION ULTRALIGHT 5.56 NATO COMPLETE UPPER RCVR 16'' PENCIL BBL
Purchase & earn 1,011 points!Add to cart

PROOF RESEARCH BARREL BLANK CF .284 24″ SND

$899.00
PROOF RESEARCH BARREL BLANK CF .284 24" SND
Purchase & earn 899 points!Add to cart

ASCENT 5.56X45 NATO 10.5” COMPLETE UPPER RECEIVER BLACK

$529.00
ASCENT 5.56X45 NATO 10.5'' COMPLETE UPPER RECEIVER BLACK
Purchase & earn 529 points!Add to cart

Sig Sauer Foxtrot 2R Rechargeable Weapon Mounted White Light 700 Lumens Black

$149.99
Sig Sauer Foxtrot 2R Rechargeable Weapon Mounted White Light 700 Lumens Black
Purchase & earn 150 points!Read more

UCS ADJUSTABLE CARBINE STOCK FOR AR-15 OD GREEN

$208.95
UCS ADJUSTABLE CARBINE STOCK FOR AR-15 OD GREEN
Purchase & earn 209 points!Add to cart

SIG CROSS PRE-FIT DROP IN CARBON FIBER 6MM CREEDMOOR 18” BBL

$1,149.00
SIG CROSS PRE-FIT DROP IN CARBON FIBER 6MM CREEDMOOR 18'' BBL
Purchase & earn 1,149 points!Add to cart

ACS-L COLLAPSIBLE MIL-SPEC CARBINE STOCK FOR AR-15 GRAY

$80.70
ACS-L COLLAPSIBLE MIL-SPEC CARBINE STOCK FOR AR-15 GRAY
Purchase & earn 81 points!Add to cart

PRECISION 6MM ARC 14.5” SPR PROFILE 5/8X24 THRD 1-7.5 TWIST

$308.75
PRECISION 6MM ARC 14.5'' SPR PROFILE 5/8X24 THRD 1-7.5 TWIST
Purchase & earn 309 points!Read more

AR-15 POWER DROP-IN 2LB TRIGGER ROSE GOLD

$179.00
AR-15 POWER DROP-IN 2LB TRIGGER ROSE GOLD
Purchase & earn 179 points!Add to cart

AR-15 POWER DROP-IN 2LB TRIGGER GOLD

$179.00
AR-15 POWER DROP-IN 2LB TRIGGER GOLD
Purchase & earn 179 points!Add to cart

MK111 MOD 1-M 223 WYLDE UPPER RECEIVER W/11.85” BBL

$1,049.95
MK111 MOD 1-M 223 WYLDE UPPER RECEIVER W/11.85'' BBL
Purchase & earn 1,050 points!Add to cart