Gun parts kits in Porter, Indiana from Great Lake Firearms. Complete AR, rifle, and handgun kits for reliable builds. Shop online today.

CMMG Firing Pin AR15

$10.00
CMMG Firing Pin AR15
Purchase & earn 10 points!Add to cart

GUNTEC REMOVABLE ACCY RAIL – 2″ KEYMOD BLACK

$10.00
GUNTEC REMOVABLE ACCY RAIL - 2" KEYMOD BLACK
Purchase & earn 10 points!Add to cart

GUNTEC REMOVABLE ACCY RAIL – 5″ KEYMOD BLACK

$10.00
GUNTEC REMOVABLE ACCY RAIL - 5" KEYMOD BLACK
Purchase & earn 10 points!Add to cart

SLIDE BUFFERS, 6 PACK

$11.00
SLIDE BUFFERS, 6 PACK
Purchase & earn 11 points!Add to cart

ALLEN HEAD GRIP SCREWS BLUED QUANITY 4

$11.00
ALLEN HEAD GRIP SCREWS BLUED QUANITY 4
Purchase & earn 11 points!Add to cart

GHOST EXT. TACT. MAG RELEASE – FITS MOST GLOCKS GEN 1-3

$11.65
GHOST EXT. TACT. MAG RELEASE - FITS MOST GLOCKS GEN 1-3
Purchase & earn 12 points!Add to cart

BERETTA CX4 RIFLE STOCK SPACER – BLACK

$12.00
BERETTA CX4 RIFLE STOCK SPACER - BLACK
Purchase & earn 12 points!Add to cart

GLFA GAS TUBE KIT MID-LENGTH – FOR AR-15

$12.00
GLFA GAS TUBE KIT MID-LENGTH - FOR AR-15
Purchase & earn 12 points!Add to cart

GUNTEC GAS TUBE PISTOL LENGTH – FOR AR15 STAINLESS

$13.00
GUNTEC GAS TUBE PISTOL LENGTH - FOR AR15 STAINLESS
Purchase & earn 13 points!Add to cart

BERETTA STRIKER SPRING REDUCED – POWER APX SERIES

$13.00
BERETTA STRIKER SPRING REDUCED - POWER APX SERIES
Purchase & earn 13 points!Add to cart

GUNTEC AR15 CASTLE NUT WIDE – EXTREME DUTY

$13.00
GUNTEC AR15 CASTLE NUT WIDE - EXTREME DUTY
Purchase & earn 13 points!Add to cart

WINCHESTER WILDCAT LOP EXTENSN – ADDS 3/4″ TO WILDCAT STOCKS

$13.00
WINCHESTER WILDCAT LOP EXTENSN - ADDS 3/4" TO WILDCAT STOCKS
Purchase & earn 13 points!Read more

GHOST EXTENDED SLIDE RELEASE – FITS MOST 3 PIN GLOCKS

$13.45
GHOST EXTENDED SLIDE RELEASE - FITS MOST 3 PIN GLOCKS
Purchase & earn 13 points!Add to cart

GUNTEC GAS TUBE CARBINE LENGTH – FOR AR15 STAINLESS

$14.00
GUNTEC GAS TUBE CARBINE LENGTH - FOR AR15 STAINLESS
Purchase & earn 14 points!Add to cart

GHOST EXTENDED MAG RELEASE – FITS MOST GLOCKS GEN 1-3

$14.35
GHOST EXTENDED MAG RELEASE - FITS MOST GLOCKS GEN 1-3
Purchase & earn 14 points!Add to cart

Rival Arms Magazine Base Plate for Glock 9mm/357 Sig/40 S&W Black

$14.99
Rival Arms Magazine Base Plate for Glock 9mm/357 Sig/40 S&W Black
Purchase & earn 15 points!Add to cart

Carlson’s 12 ga & 20 ga Gas O-Ring Assortment Kit

$15.99
Carlson's 12 ga & 20 ga Gas O-Ring Assortment Kit
Purchase & earn 16 points!Add to cart

BERETTA TRIGGER GUARD BUFFER – BLACK RUBBER

$16.00
BERETTA TRIGGER GUARD BUFFER - BLACK RUBBER
Purchase & earn 16 points!Add to cart

ELFTMANN TRIGGER PINS SET – ANTI-WALK ANTI-ROTATION

$16.00
ELFTMANN TRIGGER PINS SET - ANTI-WALK ANTI-ROTATION
Purchase & earn 16 points!Add to cart

BERETTA CX4 RIFLE COCKING – HANDLE REVERSIBLE

$17.00
BERETTA CX4 RIFLE COCKING - HANDLE REVERSIBLE
Purchase & earn 17 points!Add to cart

At Great Lake Firearms, our Gun Parts Kits make maintenance and assembly simple for shooters across Porter, Indiana. Each kit includes essential components for AR builds, handguns, and rifles, ensuring reliable performance and compatibility. Pair them with AR15 Parts, Glock Parts, or Handgun Parts for a complete upgrade. Builders can also explore Class 3 Parts & Accessories and AR Upper Parts to fine-tune custom setups. Whether you’re replacing worn components or building from scratch, we provide quality parts from trusted brands. Shop gun parts kits online today.