Handgun comparison iconHandgun comparison icon

Glock G21 Gen4vsDoubleTap Defense DoubleTap

Glock G21 Gen4 facing right

GlockG21 Gen4

Striker-Fired Full-Sized Pistol Chambered in 45 ACP
Check Price
vs
DoubleTap Defense DoubleTap facing left

DoubleTap DefenseDoubleTap

DAO Pocket Derringer Chambered in 9mm Luger, 45 ACP
Check Price

Dimensions

 LengthLHeightHWidthWWeightW
G21 Gen48.07 in5.51 in1.34 in29.28 oz
DoubleTap5.5 in3.9 in0.67 in15 oz

Details

 BarrelBBLTriggerWebsite
G21 Gen44.61 inStriker-Firedus.glock.com
DoubleTap3 inDAOdoubletapdefense.com

Capacity

 45 ACP9mm Luger45 ACP
G21 Gen413 (+1)-13 (+1)
DoubleTap222

Side-by-Side
Side-by-Side Comparison Charts

How do these two handguns stack up against eachother?

Glock G21 Gen4 facing left
Glock G21 Gen4
palmettostatearmory.com
Check Price
Glock G21 Gen4 facing left
Glock G21 Gen4
guns.com
Check Price
Glock G21 Gen4 facing left
Glock G21 Gen4
sportsmansguide.com
Check Price
Glock G21 Gen4 facing left
Glock G21 Gen4
grabagun.com
Check Price
DoubleTap Defense DoubleTap facing left
DoubleTap Defense DoubleTap
palmettostatearmory.com
Check Price
DoubleTap Defense DoubleTap facing left
DoubleTap Defense DoubleTap
guns.com
Check Price
DoubleTap Defense DoubleTap facing left
DoubleTap Defense DoubleTap
sportsmansguide.com
Check Price
DoubleTap Defense DoubleTap facing left
DoubleTap Defense DoubleTap
grabagun.com
Check Price

Tabletop
Tabletop Comparison

Drag/drop and reorder the handguns to compare on top of eachother

Popular Comparisons

Glock G17 facing left
Glock G21 Gen4 facing right
Glock 
G17
vs
Glock 
G21 Gen4
Glock G21 Gen4 facing left
FN FNX-45 facing right
Glock 
G21 Gen4
vs
FN 
FNX-45
Glock G21 Gen4 facing left
Springfield 1911 DS Prodigy 4.25" facing right
Glock 
G21 Gen4
vs
Springfield 
1911 DS Prodigy 4.25"
Glock G21 Gen4 facing left
Springfield XD-M 4.5" facing right
Glock 
G21 Gen4
vs
Springfield 
XD-M 4.5"
DoubleTap Defense DoubleTap facing left
Stoeger Cougar 8000FL facing right
DoubleTap Defense 
DoubleTap
vs
Stoeger 
Cougar 8000FL
DoubleTap Defense DoubleTap facing left
Grand Power CP380 facing right
DoubleTap Defense 
DoubleTap
vs
Grand Power 
CP380
LW Seecamp LWS 32 facing left
DoubleTap Defense DoubleTap facing right
LW Seecamp 
LWS 32
vs
DoubleTap Defense 
DoubleTap
DoubleTap Defense DoubleTap facing left
Canik SFx Rival facing right
DoubleTap Defense 
DoubleTap
vs
Canik 
SFx Rival
DoubleTap Defense DoubleTap facing left
Smith & Wesson M&P 45 M2.0 4" Subcompact facing right
DoubleTap Defense 
DoubleTap
vs
Smith & Wesson 
M&P 45 M2.0 4" Subcompact
TriStar Z-919 4.5" facing left
DoubleTap Defense DoubleTap facing right
TriStar 
Z-919 4.5"
vs
DoubleTap Defense 
DoubleTap
Deals and Updates!
New handguns and the best gun and ammo deals straight to your inbox
Follow Us