Glock G21 Gen4 vs Glock G40 Gen4 MOS size comparison

Dimensions
Customary Metric

	LengthL	HeightH	WidthW	WeightW
G21 Gen4	8.07 in	5.51 in	1.34 in	29.28 oz
G40 Gen4 MOS	9.49 in	5.47 in	1.34 in	35.45 oz

Details
Customary Metric

	BarrelBBL	Trigger	Website
G21 Gen4	4.61 in	Striker-Fired	us.glock.com
G40 Gen4 MOS	6.02 in	Striker-Fired	us.glock.com

Capacity

	45 ACP	10mm Auto
G21 Gen4	13 (+1)	-
G40 Gen4 MOS	-	15 (+1)

Side-by-Side
Side-by-Side Comparison Charts
Customary Metric

How do these two handguns stack up against eachother?

Facing Up

Out

Back-to-Back

Facing In

Back

pan left/right to see both handguns

Glock G21 Gen4 vs Glock G40 Gen4 MOS

Glock G21 Gen4

Glock G40 Gen4 MOS

Dimensions
Customary Metric

Details
Customary Metric

Capacity

Side-by-Side
Side-by-Side Comparison Charts
Customary Metric

Glock G21 Gen4 For Sale

Glock Police Trade In G21 Gen4 4.61" 45Acp...

Glock 21 Gen 4 .45 Acp Pistol, Black...

Glock 21 Gen 4 .45 Acp 4.61&Quot; Barrel...

Glock G21 Gen4 13 Rounds 45 Acp Pistol

Glock G40 Gen4 MOS For Sale

Glock 40 Gen 4 Mos 10Mm 6.02&Quot; Barrel...

Glock G40 Gen4 Competition Mos 10Mm Semi Auto...

Glock 40 Gen 4 Mos, 10Mm, 6.02 Barrel,...

Glock G40 Gen4 Mos 10Mm 6.02In 3X15Rd Coyote...

Tabletop
Tabletop Comparison
Customary Metric

Handguns

Popular Comparisons

Daily Deals

Smith And Wesson Shield Plus Optics Ready For...

Glock G17 Gen4 9Mm 4.49ʺ 17Rd Pistol W/...

In Glock 21 Gen4, 45 Acp, 3 Mags,...

Sds Mac 9Mm 4.25 Qpq Blk Double Stack...

Follow Us

Glock G21 Gen4 vs Glock G40 Gen4 MOS

Dimensions Customary Metric

Details Customary Metric

Capacity

Side-by-Side Side-by-Side Comparison Charts Customary Metric

Glock G21 Gen4 For Sale

Glock G40 Gen4 MOS For Sale

Tabletop Tabletop Comparison Customary Metric

Handguns

Popular Comparisons

Daily Deals

Follow Us

DEALS AND UPDATES!

Dimensions
Customary Metric

Details
Customary Metric

Side-by-Side
Side-by-Side Comparison Charts
Customary Metric

Tabletop
Tabletop Comparison
Customary Metric