| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| barrel life by caliber chart | 1.68 | 0.2 | 1584 | 90 |
| average barrel life by caliber chart | 1.04 | 1 | 1751 | 55 |
| rifle caliber barrel life | 1.89 | 1 | 3609 | 56 |
| rifle barrel life chart | 1.53 | 1 | 4168 | 1 |
| rifle barrel life expectancy by caliber | 0.26 | 0.3 | 4386 | 16 |
| barrel life of a rifle | 2 | 0.1 | 2373 | 6 |
| barrel life of a pistol | 1.88 | 0.8 | 6380 | 72 |
| barrel life of 5.56 | 0.95 | 0.5 | 6841 | 95 |
| optimum barrel length by caliber | 1.56 | 0.2 | 435 | 96 |
| long barrel 50 cal | 0.6 | 0.3 | 1698 | 93 |
| optimal rifle barrel length per caliber | 1.67 | 0.8 | 6072 | 37 |
| pistol ammo chart by caliber | 0.97 | 1 | 8894 | 64 |
| recommended barrel length chart | 0.35 | 0.3 | 7281 | 99 |
| machine gun barrel life | 1.45 | 0.9 | 2529 | 30 |
| barrel life of 30-06 | 0.7 | 0.5 | 7226 | 44 |
| rifle barrel length chart | 1.41 | 0.5 | 4335 | 50 |
| gun barrel length chart | 0.08 | 0.9 | 623 | 73 |
| barrel length and ballistics | 0.66 | 0.9 | 91 | 7 |
| chart of pistol calibers and bullets | 0.53 | 0.1 | 4345 | 95 |
