Peterson Cartridge Product Changes

 

At Peterson Cartridge Co. we really do listen to the feedback we receive from our customers. And we make improvements to our casings based on your recommendations. As a result, aspects of our casings change from time to time. Some of the changes could require you to revise your load for optimum performance at the target.

To keep you apprised of any improvements we make, we provide the below-listed chart, showing the different versions, and when they were instituted.

Purpose: To keep track of quality changes/differences in the calibers that we produce that could effect the customer's experience. 

The types of changes that require being listed here included:

Neck Wall Thickness, External Dimension Change, Internal Dimension Change, Neck Tension, Primer Pocket

 

  Caliber Version Date of Change First Lot # of New Version First QC # of New Version Description of Change(s)                      Updated 08/23/2018
1 6mm Creedmoor B 6/13/2018 W1TL0098 QC061318A Anti tarnish coating applied, which adds lubricity
2 6mm Creedmoor A 2/5/2018 W1AR0082 QC020518A Alpha Run
3 6mm Creedmoor SRP A 2/7/2018 W1AR0083 QC020718A Alpha Run
4 6XC A       Alpha run
5 6XC SRP A       Alpha run
6 .243 Win A 1/31/2018 W1AR0081 QC013118A Alpha run
7 .243 Win SRP A 2/19/2018 W1AR0082 QC021918A Alpha run
8 6.5 Creedmoor C 6/21/2018 W1TL0101 QC062118A Anti tarnish coating applied, which adds lubricity
9 6.5 Creedmoor B 1/11/2018 W1HS0078 QC011118 Modified tooling to fix neck thickness variation
10 6.5 Creedmoor A 11/7/2016 W1TL0010 QC110716A Alpha Run
11 6.5 Creedmoor SRP D 7/4/2018 W1TL0102 QC070418A
Anti tarnish coating applied, which adds lubricity
12 6.5 Creedmoor SRP C 3/28/2018 W1TL0087 QC032818A Smaller primer pocket to prevent primers from falling out
13 6.5 Creedmoor SRP B 1/16/2018 W1HS0079 QC011618 Deeper primer pocket to prevent primers from not seating
14 6.5 Creedmoor SRP A   W1TL0049 QC063017A Alpha Run
15 .260 Remington B 1/19/2017 W1TL0019   Modified tooling to fix neck thickness variation
16 .260 Remington A 2016     Alpha Run
17 .260 Rem SRP A 12/12/2017 W1TL0073 QC121217AB Alpha run
18 7mm-08 Rem A 12/7/2017 W1AR0071 QC120717A Alpha run
19 7mm Rem Mag A       Alpha run
20 7.62x54R A       Alpha run
21 .308 Win B 7/16/2018 W1TL0104 QC071618A Anti tarnish coating applied, which adds lubricity
22 .308 Win SRP A 12/29/2016 W1TL0018 QC122916A Alpha run
23 .308 Wildcat A 7/11/2018 W1AR0106A QC071118B Alpha Run
24 .300 Win Mag A       Alpha run
25 .300 Norma B 4/19/2018 W1AR0090 QC041918A Modified tooling to fix neck thickness variation
26 .300 Norma A 4/23/2018 W1AR0090 QC042318A Alpha Run
27 .338 Norma A 4/28/2018 W1AR0091 QC042818A Alpha run
28 .338 Lapua B 8/13/2018 W1TL0109 QC081318A Increased prmer pocket diameter to SAAMI min. Anti tarnish coating applied, which adds lubricity. 
29 .338 Lapua A 2016     Alpha run
30 9.5 X 77 (.375) B 10/31/2018 W1TL0119 110118A-B Modified tooling to fix neck thickness variation.  Increased primer pocket diameter to SAAMI min.  Anti tarnish coating applied, which adds lubricity.
31 9.5 X 77 (.375) A 1/19/2017 W1TL0022 QC011917B Alpha run
32 10.36 x 77 (.408) B 11/14/2018 W1TL0120 QC111418A-B Increased prmer pocket diameter to SAAMI min. Anti tarnish coating applied, which adds lubricity.
33 10.36 X 77 (.408) A 2/11/2017 W1TL0025 QC021117B Alpha run
             
  Parameters:          
  1.  List calibers from smallest to largest, in agreement with Cartridge Comparison Guide poster.
  2.  List SRP versions on separate line.
  3.  Version "A" siginifies the first run of a caliber where we made the casings available for sale - often the Alpha Run.