November 4, 2026
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Latest Reviews
  • [ October 27, 2026 ] Mantis TitanX Laser Training Pistol Review [2026] Gear
  • [ October 20, 2026 ] Aridus Industries CROM Review [2026] Gun Part Review
  • [ October 6, 2026 ] Trijicon RCR Review [2026] Gun Part Review
  • [ September 24, 2026 ] The Burr System – Product Review [2026] Gear
  • [ August 25, 2026 ] Streamlight MegaStream Flashlight Review [2026] Flashlights
  • [ August 11, 2026 ] Modlite Noxon Anark Flashlight Review [2026] Flashlights
  • [ August 10, 2026 ] ATO Design CHP-3Y Spare Round Carrier by Aridus Industries Review [2026] Gun Part Review
  • [ August 4, 2026 ] I Don’t Like the Mantis TitanX – Mantis TitanX Review [2026] Reviews
  • [ June 30, 2026 ] Costa Ludus Revolver Course Review [2026] Guns
  • [ June 16, 2026 ] Manurhin MR73 Revolver Review [2026] Gun Review
HomeReviewsGun Part Review

Gun Part Review

Primer Peak is home to the most honest and thorough reviews on the internet and our gun part reviews are no exception. We test every product that crosses our desk in the most demanding conditions to make sure we find out everything a potential buyer might want to know.

We believe that you shouldn’t waste your time and money on an upgrade that isn’t going to fit your particular needs, that is why our gun part reviews are extremely detailed. Every contributor to the website has passion as a shooter and has been in a situation where we have spent money on something only to find that it wasn’t going to work for us.

Every Primer Peak review is written to with the goal of helping you avoid the same costly mistakes all shooters make as they grow as a shooter and gun owner.

Aridus Industries Imperium Handguard heat shield beretta A300 A300UP ultima patrol shotgun
Gun Part Review

Aridus Industries CROM Review [2026]

October 20, 2026 Daniel Reedy
Shortly after I received my A300UP from Beretta I mounted an optic on the receiver. I had no plans to change my mount or optic, […]
trijicon rcr review
Gun Part Review

Trijicon RCR Review [2026]

October 6, 2026 Daniel Reedy
I’ve been using Trijicon optics for over seven years as of this writing, with my original RMR still going strong. When Adam from Aridus Industries […]
Aridus Industries Imperium Handguard heat shield beretta A300 A300UP ultima patrol shotgun match saver
Gun Part Review

ATO Design CHP-3Y Spare Round Carrier by Aridus Industries Review [2026]

August 10, 2026 Daniel Reedy
If you’ve been in the competitive or defensive shotgun world for a bit, you’ve probably come across a match saver once or twice. As someone […]
Aridus Industries Imperium Handguard heat shield beretta A300 A300UP ultima patrol shotgun charging handle
Gun Part Review

Aridus Industries Charging Handle for Beretta A300 Ultima Patrol Review [2026]

June 11, 2026 Daniel Reedy
Beginning in late 2025 I began doing some product testing for the upcoming Imperium Handguard from Aridus Industries. During this process, Adam Roth, the owner […]
Aridus Industries Imperium Handguard heat shield beretta A300 A300UP ultima patrol shotgun
Gun Part Review

Aridus Industries Imperium Handguard for Beretta A300 Review [2026]

June 4, 2026 Daniel Reedy
I’ve known of Aridus Industries for about a decade, but I first met the owner, Adam Roth, at the 2024 Thunderstick Summit. Since then our […]
staff picks our best articles of 2025
Best Of Lists

Staff Picks – Our Best Articles of 2025

January 6, 2026 Daniel Reedy
It’s that time of year once again! Every January we take a look back on the previous year, and reflect on our work. Each contributor […]
Dark Star Gear 360 Kit Adapter
Gear Reviews

Dark Star Gear 360 Kit Adapter Review [2025]

May 13, 2025 Daniel Reedy
Last year I wrote a quick piece announcing the release of the 360 Kit Adapter from Dark Star Gear. Over the past several months I’ve […]
Gun Part Review

Battle Werx Slide Milling Review [2025]

April 29, 2025 Paul Whaley
Over the years, I’ve had quite a few guns milled for optics. At time of writing, it has been two VP9s, three Glocks, a S&W […]
Shield Arms Carry Magwell Featured Image
Gear

Shield Arms Glock 43x/48 Carry Magwell Review [2025]

April 17, 2025 Paul Whaley
During Technical Handgun – Tests & Standards in 2023, I shot my Glock 48 for the class. During those two days, I had some serious […]
COA Featured Image
Gear

Aimpoint COA: First Impressions [2025]

April 8, 2025 Sean B.
When Aimpoint and Glock announced their collaboration earlier this year, I was immediately interested.  The initial press suggested that Aimpoint had fixed most of what […]
Aridus Industries A300 1301 bolt release
Gear Reviews

Aridus Industries Bolt Release for Beretta 1301/A300 Review [2024]

November 26, 2024 Daniel Reedy
I spent a lot of time behind the Beretta A300 Ultima Patrol throughout 2023. In short, I really love the gun, and it performed excellently […]
Tango Down P2-CAP Review Featured Image 2
EDC

Tango Down Aimpoint ACRO P2-CAP Review [2024]

July 25, 2024 Paul Whaley
The Aimpoint ACRO P-2 is an optic that I have a lot of experience with. I’ve owned a handful of them over the years, and […]
Wilson Combat J-Frame Spring Kit Featured Image
Gear

Wilson Combat J-Frame Spring Kit Review [2024]

March 27, 2024 Paul Whaley
I’ve been shooting a lot of Smith J-Frames over the last two years. I started testing the Smith 442 for my Pocket Pistol Roundup of […]
Wyoming Sight Drifter Featured Image
Gear

Wyoming Sight Drifter – Product Review | User Submission

February 22, 2024 Paul Whaley
Editor’s Note: One of our frequent readers and Discord member, Eli, wanted to give his feedback on a unique product. Below is Eli’s review of […]
Holosun 407K Red Dot
EDC

Holosun 407K Red Dot Sight Review [2024]

February 20, 2024 Daniel Reedy
When looking to put an optic on a Glock 48, my options were limited. Sure, I could throw an adapter plate on the gun for […]

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