Glock G35 Gen5 MOS .40 S&W
Model: PA353S203MOS
Glock G35 Gen5 MOS .40 S&W
Model: PA353S203MOS
Full Specifications
About This Firearm
The Glock G35 Gen5 MOS is the long-slide competition variant of the G22, built around a 5.31" barrel in a 15-round .40 S&W frame. The extra inch of slide over the standard Glock G22 Gen5 stretches the sight radius and gives the slide more reciprocating mass to soak up .40 S&W recoil impulse, which reviewers describe as noticeably flatter than the standard-length gun.
The MOS designation means a milled optic cut with four mounting plates included, putting the G35 in a small group of factory optic-ready .40 pistols still on dealer shelves. The Gen5 trigger breaks at 5.4 lbs, the ambi slide release and flared mag well stay, and the Marksman barrel keeps the polygonal-rifled geometry Glock moved to in Gen5. Owners shooting USPSA Limited or IDPA Custom Defensive Pistol typically point at the G35 as the cheapest factory option that stays competitive without slide milling work.
The standout spec is the sight radius — roughly 1 inch longer than the G22 — which pays off in 25-yard groups and red-dot acquisition. At 8.82" overall, this lives in a duty or competition holster, not on the belt under a t-shirt. The G35 has outlasted most factory .40 long-slides on the market; with the Sig Pro and S&W Pro Series .40 variants gone, this is one of the few new long-slide .40s a buyer can still walk into a shop and order.
Best For
Strengths & Limitations
- Factory MOS optic cut with four mounting plates included — no aftermarket slide milling needed for red-dot setups
- 5.31" barrel and longer sight radius noticeably improve 25-yard accuracy over the standard G22 Gen5
- Marksman barrel and Gen5 trigger refinements carry over; owners describe the reset as shorter than Gen4
- At 8.82" overall length, this is a range and duty gun, not a concealment option
- Same 15-round magazine as the G22 Gen5, so the longer slide buys accuracy and recoil control but not capacity
Category Rankings
How the Glock G35 Gen5 MOS .40 S&W ranks among full-size .40 S&W handguns.
Ballistics Calculator
Calculate trajectory, drop, and energy for .40 S&W ammunition.
.40 S&W Ballistics →Where to Buy
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Frequently Asked Questions
Should I get the G35 MOS or the standard G22 Gen5?
Pick the G35 if competition or range accuracy is the priority — the extra inch of barrel and sight radius pay off past 15 yards. Pick the G22 if you want a duty or carry-adjacent gun, since the G35's overall length pushes past what most retention holsters accommodate. Both use the same magazines and frame, so accessory compatibility is identical.
Can the G35 use Glock 22 magazines and conversion barrels?
Yes to both. The G35 accepts all Glock 22 magazines (15-round factory and aftermarket 22-round extensions). It also accepts drop-in conversion barrels chambered in .357 SIG, which lets owners run a second caliber with just a barrel swap and SIG-spec magazines.
