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Firearms Parts Supplier in USA – Tactical, Security & Firearms Parts Supplier — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Arms And Ammunition →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
heritagefirearmsusa.com ↗	66 match 1 shared topics	Heritage Firearms For Sale - Heritage Firearms USA	en	arms-and-ammunition WordPress WooCommerce	robotsllmsaihumans	emailphone	none
heizerdefense.com ↗	65 match 1 shared topics	Heizer Defense \| Tactical Firearms Manufacturing	en	arms-and-ammunition WordPress	robotsllmsaihumans	emailphone	none
heizerfirearms.com ↗	65 match 1 shared topics	Heizer Defense \| Tactical Firearms Manufacturing	en	arms-and-ammunition WordPress	robotsllmsaihumans	emailphone	none
onlinefirearmshop.com ↗	65 match 1 shared topics	Tactical Gear, Firearm Accessories and Apparel. - onlinefirearmshop.com	en	arms-and-ammunition WordPress WooCommerce	robotsllmsaihumans	emailphone	none
customrifles.com ↗	65 match 1 shared topics	Horizon Firearms \| Custom at its core. \| Horizon Firearms	en	arms-and-ammunition	robotsllmsaihumans	emailphone	none
2asales.com ↗	65 match 1 shared topics	2 A Sales & Supplies \| Firearms Store \| Jessup, MD	en	arms-and-ammunition	robots llmsaihumans	emailphone	none
one-77-six.com ↗	65 match 1 shared topics	One-77-Six Firearms & Supply Co.	United States~ en	arms-and-ammunition	robotsllmsaihumans	email phone	none
remingtonarmsonline.com ↗	65 match 1 shared topics	Remington USA Store – Remington Firearms For Sale	en	arms-and-ammunition WordPress WooCommerce	robotsllmsaihumans	emailphone	none
familyofpatriots.com ↗	65 match 1 shared topics	Family of Patriots \| Gun Shop Naples FL – Firearms, Tactical Gear & Training	en	arms-and-ammunition Wix Wix Stores	robots llmsaihumans	emailphone	none
omniarmsabq.com ↗	65 match 1 shared topics	Albuquerque Gun Store & Firearms Training \| Omni Arms USA	en	arms-and-ammunition WordPress WooCommerce	robotsllmsaihumans	email phone	none
omniarmsusa.com ↗	65 match 1 shared topics	Albuquerque Gun Store & Firearms Training \| Omni Arms USA	en	arms-and-ammunition WordPress WooCommerce	robotsllmsaihumans	email phone	none
czfirearmshop.com ↗	64 match 1 shared topics	CZ-USA Firearms: Handguns, Shotguns & Rifles For Sale \| CZ USA Firearms	en	arms-and-ammunition WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cw-outfitters.com ↗	64 match 1 shared topics	CW Outfitters a division of C&D Firearms LLC – CW-Outfitters a division of C&D Firearms LLC.	en	arms-and-ammunition Shopify	robots llmsaihumans	emailphone	none
brownellseurope.com ↗	64 match 1 shared topics	Brownells Europe - Firearms, Reloading Supplies, Gunsmithing Tools, Gun Parts and Accessories	United States~ en	arms-and-ammunition	robotsllmsaihumans	email phone	none
renofirearms.com ↗	64 match 1 shared topics	Maccabee Arms LTD – Quality Firearms at Reasonable Prices	en	arms-and-ammunition WordPress	robotsllmsaihumans	emailphone	none
renogunstore.com ↗	64 match 1 shared topics	Maccabee Arms LTD – Quality Firearms at Reasonable Prices	en	arms-and-ammunition WordPress	robotsllmsaihumans	emailphone	none
3darmslab.com ↗	64 match 1 shared topics	3D Arms Lab – Custom Tactical Solutions	en	arms-and-ammunition WordPress WooCommerce	robots llmsaihumans	emailphone	none
4firearms.com ↗	64 match 1 shared topics	4Firearms -- Focused Firearm Search, News, and Shopping	en	arms-and-ammunition	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.