Competition Parts & Upgrades — Glock Gen 3, 4, 5 & 6

Glock pistols dominate USPSA Production and Carry Optics divisions — reliable, accurate, and with the most developed aftermarket parts ecosystem in practical shooting. Ben Stoeger Pro Shop stocks the complete Glock competition upgrade ecosystem: triggers, sights, magazine extensions, optic plates, guide rods, and small parts from the most trusted names in Glock competition. Whether you're setting up a Gen 5 G34 for Production or running a G17 MOS in Carry Optics, BSPS has the parts to get you there.

Shop by Category

  • Triggers & Action Parts — Apex Tactical AEK, Competition Action Enhancement Kit, and trigger upgrades for Gen 3, 4, and 5 Glock pistols
  • Sights — Dawson Precision fiber optic front sights and fixed rear sets for G17, G19, G34, G34.5, G45, G47 and more
  • Magazine Parts — Henning basepads, CSRG follower kits, Taylor Freelance extensions, Springer Precision extensions for 140mm competition setups
  • Optic Plates & Mounts — FCD, CHPWS, Calculated Kinetics DOGTAG, and Dawson optic plates for Glock MOS Gen 4/5 and Gen 6 ORS
  • Guide Rods & Recoil Parts — stainless and tungsten guide rods, recoil spring kits for competition power factors
  • Small Parts — pins, springs, magazine releases, slide stops, and other factory-replacement parts
  • Complete Magazines — OEM Glock factory magazines, pre-built competition magazine kits with Henning or Springer basepads

The Glock Competition Upgrade Ecosystem at BSPS

The right combination of brands for a competition Glock build:

  • Apex Tactical — drop-in trigger kits for Gen 3, 4, and 5 Glock pistols. USPSA Production legal.
  • Dawson Precision — fiber optic front sights and fixed co-witness rear sets for MOS builds. The most widely installed competition sight on Glock pistols in USPSA.
  • Forward Controls Design (FCD) — OPF line steel optic plates for Glock MOS Gen 4/5 and Gen 6 ORS. RMR, SRO, ACRO, DPP, EFLX, and RMRcc footprints.
  • C&H Precision Weapons (CHPWS) — optic adapter plates for Glock MOS across all major optic footprints including Holosun 507C and Trijicon RMR.
  • Calculated Kinetics (DOGTAG) — precision-machined optic plates with gas deflection table and zero-shift prevention for Glock MOS.
  • CSRG — competition magazine follower and spring kits for Mec-Gar Glock magazine tubes. Achieves 24/25+1 capacity with 140mm extensions.

Glock Division Guide

  • Production — G17, G34, G45, G47. 10-round magazine limit in USPSA Production. Apex trigger legal; magwells not legal.
  • Carry Optics — G17 MOS, G34 MOS, G45 MOS, G47 MOS. Red dot required. 140mm magazine limit. Apex trigger legal; most optic plates legal.
  • Limited — Glock with 140mm magazines. No optic. Magwells legal.
  • Open — Glock with comp and 170mm magazines. Optic legal. Most popular: G17L or G34 with 9mm Major load.
  • PCC — Glock-compatible PCC builds. Glock magazines typically compatible with major PCC brands including CMMG, Angstadt, and JP.