結果 : is polymer plastic or metal
1:13

Polymer or Metal?

EOS 3D Printing
511 回視聴 - 1 年前
3:02

Can polymer be as stong as metal?

Sportsman Channel
29,562 回視聴 - 15 年前
2:33

Metal or Polymer You Decide

Practical Firearms
35,140 回視聴 - 13 年前
5:20

Steel vs Polymer Magazines - Which is Superior?

NeverEnuffAmmo
26,051 回視聴 - 8 年前
17:29

Should You Buy a Polymer AR15 Lower | Polymer VS Aluminum Lower Receiver Test | We Break Stuff Again

Desk Pop
24,930 回視聴 - 1 年前
12:15

Why Do Polymer Guns Suck?

TheYankeeMarshal
104,855 回視聴 - 5 年前
5:34

A brief history of plastic

TED-Ed
1,254,067 回視聴 - 4 年前
10:35

M&P 2.0 Metal Frame Vs Polymer Frames

hickok45
104,046 回視聴 - 1 年前
0:10

Metal vs polymer magazines🤔

Ground Effect Customs
570 回視聴 - 4 か月前
0:46

Polymer VS Metal; which should you get? 🧐 #short #shorts #airsoft #airsoftgi

Airsoft GI Reloaded
11,223 回視聴 - 3 年前
9:02

Why Do Glocks (& All Polymer Guns) Suck So Bad? The Small Pros & Big Cons of Polymer!

TheYankeeMarshal
17,804 回視聴 - 1 年前
12:16

Steel vs Polymer AK Mags

Gungnir Strategic LLC
11,695 回視聴 - 3 年前
9:21

AR Mags: Polymer Vs MilSpec Pros & Cons of Each

KB32 Tactical
26,515 回視聴 - 8 年前
9:48

Self-Healing Material

Steve Mould
15,837,035 回視聴 - 2 年前
14:52

Metal vs Polymer Frame: S&W M&P 9mm

Hammer Striker
29,381 回視聴 - 1 年前
8:19

Polymer vs. Metal Guide Rods (Plus, Beretta 96A1 Update Tip)

TheYankeeMarshal
24,586 回視聴 - 5 年前
1:01

why Glock ACTUALLY uses polymer mags

The Jimmini Show
531,199 回視聴 - 2 年前
18:26

#10MinuteTalk - Metal and Polymer Mags: Why Two Types?

Vortex Nation
29,765 回視聴 - 3 年前
14:41

AR-15 Aluminum Mag vs Polymer Mag Stress Test

ClassicFirearms
81,396 回視聴 - 2 年前
1:00

Steel Frame vs Polymer Frame

The Blind Sniper
1,683 回視聴 - 1 年前