Review

The best Glock 45 parts for 2026, sorted by Gen 5 and Gen 6 fit: an Overwatch TAC trigger, Night Fision sights, a 507C X2, TLR-7 X and a True Precision barrel.

The best FN 509 parts for 2026: the Apex Action Enhancement trigger, Trijicon night sights, a Holosun 507C X2 and matched plate, a TLR-7 X and 24-round FN mags.

The best Glock 21 parts for 2026: a Holosun 507C X2 on the MOS plate, AmeriGlo and XS sights, a Lone Wolf barrel, the TLR-1 HL, 13-round .45 mags and OWB Kydex.

The best HK VP9 parts for 2026: a Holosun 507C X2 and the plate it needs, Trijicon and XS sights, a TLR-7 X, 17-round mags and a SilencerCo threaded barrel.

The best Sig P229 parts for 2026: Hogue grips, the SIG SRT trigger kit, Trijicon night sights, 15-round factory mags, a TLR-7 X light and Crimson Trace grips.

The best Springfield XD parts for 2026: a Powder River trigger kit, TruGlo sights, 16-round mags, a TLR-1 HL, and which XD-S, XD-M and Mod.4 parts do not cross.

The 10 best Glock 20 parts for 2026: a Lone Wolf AlphaWolf barrel, a stainless guide rod for full-power 10mm, 15-round mags, AmeriGlo sights, 507C and TLR-1 HL.