I recently rented the regular frame Glock 20 at my local range and shot really well with it and really enjoyed it. Thus, now I MUST have one. However, the grip did feel a bit bulky to me, especially the "hump" at the bottom, which is the reason I believe it points high for me. Some time ago, I had a Glock 21SF, which I sold shortly after. Glock 20 Gen 3 SF 10 Round 10mm Pistol, Black – PF2050201... From $546.00 in 5 stores. This item: Pearce Grip Frame Insert Fits Glock Gen4 20/21/41 Black PG-FI21G4. $7.35. In Stock. Sold by TechPro Equinox and ships from Amazon Fulfillment. FREE Shipping on orders over $25.00. TALON GRIPS Adhesive Pistol Grip Compatible with Glock 20, 21, 40, 41- Made in The USA. $19.99. GLOCK 20 Gen4. The GLOCK 20 Gen4 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 10 mm Auto is a reliable companion providing a safe and accurate finishing shot, even when hunting big game.