Buy handgun parts in Porter, Indiana at Great Lake Firearms. Quality barrels, triggers, and slides for your pistol. Shop online today.

S&W BARREL MODEL 41 7″ TARGET – BARREL KENG SIGHT BLUED

$810.00
S&W BARREL MODEL 41 7" TARGET - BARREL KENG SIGHT BLUED
Purchase & earn 810 points!Read more

P320FS SLIDE ASSM W/4.6”BBL 9MM LUGER OPT RDY W/COMP COY

$680.00
P320FS SLIDE ASSM W/4.6''BBL 9MM LUGER OPT RDY W/COMP COY
Purchase & earn 680 points!Add to cart

SIG SAUER CAL-X KIT P320-X5 9MM 17RD

$680.00
SIG SAUER CAL-X KIT P320-X5 9MM 17RD
Purchase & earn 680 points!Add to cart

SLIDE P320FS 9MM LUGER 3.9” EXPAND CHAMBER & ROMEO SIGHT BLK

$663.00
SLIDE P320FS 9MM LUGER 3.9'' EXPAND CHAMBER & ROMEO SIGHT BLK
Purchase & earn 663 points!Add to cart

SLIDE ASSEMBLY P320X 3.6” 9MM LUGER W/ROMEO-X SIGHT BLACK

$596.00
SLIDE ASSEMBLY P320X 3.6'' 9MM LUGER W/ROMEO-X SIGHT BLACK
Purchase & earn 596 points!Add to cart

SLIDE ASSEMBLY P320X 4.7” 9MM LUGER W/ROMEO-X SIGHT BLACK

$596.00
SLIDE ASSEMBLY P320X 4.7'' 9MM LUGER W/ROMEO-X SIGHT BLACK
Purchase & earn 596 points!Add to cart

SLIDE ASSEMBLY P320X 3.9” 9MM LUGER W/ROMEO-X SIGHT BLACK

$596.00
SLIDE ASSEMBLY P320X 3.9'' 9MM LUGER W/ROMEO-X SIGHT BLACK
Purchase & earn 596 points!Add to cart

SLIDE ASSEMBLY P320X 4.7” 9MM LUGER W/ROMEO-X SIGHT COYOTE

$596.00
SLIDE ASSEMBLY P320X 4.7'' 9MM LUGER W/ROMEO-X SIGHT COYOTE
Purchase & earn 596 points!Add to cart

SLIDE ASSEMBLY P320X 3.9” 9MM LUGER W/ROMEO-X SIGHT COYOTE

$596.00
SLIDE ASSEMBLY P320X 3.9'' 9MM LUGER W/ROMEO-X SIGHT COYOTE
Purchase & earn 596 points!Add to cart

SLIDE ASSEMBLY P320X 3.6” 9MM LUGER W/ROMEO-X SIGHT COYOTE

$596.00
SLIDE ASSEMBLY P320X 3.6'' 9MM LUGER W/ROMEO-X SIGHT COYOTE
Purchase & earn 596 points!Add to cart

Magnum Research .50AE 6″ Black Barrel with Integral Muzzle Break

$559.00
Magnum Research .50AE 6" Black Barrel with Integral Muzzle Break
Purchase & earn 559 points!Read more

MAGNUM RESEARCH CONVERSION KIT DEL5 44MAG 5″

$556.00
MAGNUM RESEARCH CONVERSION KIT DEL5 44MAG 5"
Purchase & earn 556 points!Add to cart

SLIDE ASSEMBLY P365XL 3.7” 9MM LUGER W/ROMEO-X SIGHT BLACK

$553.00
SLIDE ASSEMBLY P365XL 3.7'' 9MM LUGER W/ROMEO-X SIGHT BLACK
Purchase & earn 553 points!Add to cart

SLIDE ASSEMBLY P365X 3.1” 9MM LUGER W/ROMEO-X SIGHT COYOTE

$553.00
SLIDE ASSEMBLY P365X 3.1'' 9MM LUGER W/ROMEO-X SIGHT COYOTE
Purchase & earn 553 points!Add to cart

SLIDE ASSEMBLY P365X 3.1” 9MM LUGER W/ROMEO-X SIGHT BLACK

$553.00
SLIDE ASSEMBLY P365X 3.1'' 9MM LUGER W/ROMEO-X SIGHT BLACK
Purchase & earn 553 points!Add to cart

SLIDE ASSEMBLY P365XL 3.7” 9MM LUGER W/ROMEO-X SIGHT COYOTE

$553.00
SLIDE ASSEMBLY P365XL 3.7'' 9MM LUGER W/ROMEO-X SIGHT COYOTE
Purchase & earn 553 points!Add to cart

SIG SAUER CAL-X KIT P365X-MACRO 9MM 17RD

$527.00
SIG SAUER CAL-X KIT P365X-MACRO 9MM 17RD
Purchase & earn 527 points!Add to cart

MAGNUM RESEARCH CONVERSION KIT 44MAG 6″ BLACK

$502.00
MAGNUM RESEARCH CONVERSION KIT 44MAG 6" BLACK
Purchase & earn 502 points!Add to cart

MAGNUM RESEARCH CONVERSION KIT 50AE 6″ BLACK

$502.00
MAGNUM RESEARCH CONVERSION KIT 50AE 6" BLACK
Purchase & earn 502 points!Add to cart

ZPS.3 G19 G3 9MM LUGER OPTIC READY COMPLETE SLIDE BLACK

$499.99
ZPS.3 G19 G3 9MM LUGER OPTIC READY COMPLETE SLIDE BLACK
Purchase & earn 500 points!Read more

Great Lake Firearms supplies precision Handgun Parts to repair, customize, or enhance your pistol in Porter, Indiana. Choose from triggers, slides, barrels, and springs designed for popular models. Pair these with Glock Parts, Gun Parts Kits, and Handgun Magazines for better reliability and performance. Shooters can also explore Optics or Ammunition to complete their setup. Every component meets strict quality standards to ensure your sidearm runs smoothly. Upgrade your handgun with premium parts—shop online today.