Goliath Plus 20 Limited - Tiger Stripe - Black/tungsten

Update the look of your pistol-caliber carbine with our limited tiger-stripe Goliath magazine! Wield 51+1 rounds with this black/tungsten colored mag extension features unique hand-applied striping from our partners at Helios Arms. Makes every magazine...

Goliath G40 +16 - Aluminum

We've created a small number of "Goliath" mag extensions built specifically for .40 S&W Glocks.  This first model is essentially a working prototype (a "Beta") that works well with the 15-round pistol mag. We need feedback from ...

Wolff/TF Spring for Glock - Goliath XL - 34 coil

Replacement spring for our Glock Goliath XL extension kit. Use this spring with our Glock Goliath XL extension on a Glock 31-round magazine to create a 61+1 combination. (Excellent for carbines.) DISCLAIMER: This product is not manufactured, authorized,...

Goliath XL plus 30 Basepad - Red

CRAZY capacity!   The Goliath XL takes up where our original Goliath leaves off.    -- +30 round capacity (61+1!) -- Super Strong (see video of concrete lifts) -- quick-release base allows for easy cleaning-- 100% US made, from US...

Goliath XL plus 30 Basepad - Blue

CRAZY capacity!   The Goliath XL takes up where our original Goliath leaves off.    -- +30 round capacity (61+1!) -- Super Strong (see video of concrete lifts) -- quick-release base allows for easy cleaning-- 100% US made, from US...

Goliath XL plus 30 Basepad - Black

CRAZY capacity!   The Goliath XL takes up where our original Goliath leaves off.    -- +30 round capacity (61+1!) -- Super Strong (see video of concrete lifts) -- quick-release base allows for easy cleaning-- 100% US made, from US...

Goliath XL plus 30 Basepad - Aluminum

CRAZY capacity!   The Goliath XL takes up where our original Goliath leaves off.    -- +30 round capacity (61+1!) -- Super Strong (see video of concrete lifts) -- quick-release base allows for easy cleaning-- 100% US made, from US...

TF/Wolff Goliath Spring for Glock - 28 coil

Replacement spring for our Glock Goliath extension kit. Use this spring with our Glock Goliath extension on a Glock 31-round magazine to create a 51+1 combination. (Excellent for carbines.)

Goliath Plus 20 Basepad for Glock - Tuxedo

Wield 51+1 rounds from your Glock pistol-caliber carbine while enjoying the unique Tuxedo silver and black coloring. Unprecedented strength: rigid design absorbs abuse and hard knocks. We can STAND ON IT! (See video.) Quick-release base allows for easy...

Goliath plus 20 Basepad for Glock - Red

Wield 51+1 rounds from your Glock pistol-caliber carbine! Unprecedented strength: rigid design absorbs abuse and hard knocks. We can STAND ON IT! (See video.) Quick-release base allows for easy cleaning (without taking the mag apart) "Sword-like" grip...

Goliath plus 20 Basepad for Glock - Blue

Wield 51+1 rounds from your Glock pistol-caliber carbine! Unprecedented strength: rigid design absorbs abuse and hard knocks. We can STAND ON IT! (See video.) Quick-release base allows for easy cleaning (without taking the mag apart) "Sword-like" grip...

Goliath plus 20 Basepad for Glock - Black

Wield 51+1 rounds from your Glock pistol-caliber carbine! Unprecedented strength: rigid design absorbs abuse and hard knocks. We can STAND ON IT! (See video.) Quick-release base allows for easy cleaning (without taking the mag apart) "Sword-like" grip...