GLOCK 20 Gen 4 For Sale delivers formidable force downrange with high accuracy over long distance. The use of GLOCK hi-tech polymer considerably reduces felt recoil even in this heavy caliber. For the hunting community this GLOCK 20 Gen 4 For Sale 10 mm Auto is a reliable companion providing a safe and accurate finishing shot, even when hunting big game. The Modular back strap system makes it possible to instantly customize its grip to accommodate any hand size. The reversible magazine catch makes it ideal for left and right-handed shooters.