{"id":931,"date":"2023-03-14T07:07:53","date_gmt":"2023-03-14T07:07:53","guid":{"rendered":"https:\/\/americangunpeople.com\/?p=931"},"modified":"2023-03-14T07:07:53","modified_gmt":"2023-03-14T07:07:53","slug":"optic-review-primary-arms-classic-series-21mm-micro-reflex-sight","status":"publish","type":"post","link":"https:\/\/americangunpeople.com\/?p=931","title":{"rendered":"Optic Review: Primary Arms Classic Series 21mm Micro Reflex Sight"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div>\n<div class=\"td-post-featured-image\">\n<figure><a href=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501.jpg\" data-caption=\"Primary Arms Classic Series 21mm Micro Reflex Sight (Image courtesy JWT for thetruthaboutguns.com.)\"><noscript><img loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"391\" class=\"entry-thumb td-modal-image\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501-696x391.jpg\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501-696x391.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501-300x169.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501-700x394.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501-768x432.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501-150x84.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501-747x420.jpg 747w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501-560x315.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085501.jpg 770w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\" alt=\"\" title=\"Primary Arms Classic Series 21mm Micro Reflex Sight (Image courtesy JWT for thetruthaboutguns.com.)\"\/><\/noscript><\/a><figcaption class=\"wp-caption-text\">Primary Arms Classic Series 21mm Micro Reflex Sight (Image courtesy JWT for thetruthaboutguns.com.)<\/figcaption><\/figure>\n<\/div>\n<p>The number one review request I get is \u201cbudget optic reviews.\u201d You\u2019ll see the <a href=\"https:\/\/www.primaryarms.com\/\">Primary Arms<\/a> brand in a fairly high percentage of those reviews, as they consistently deliver quality above their price point.<\/p>\n<p><a href=\"https:\/\/www.primaryarms.com\/primary-arms-classic-series-21mm-micro-reflex-sight-3-moa-dot\" target=\"_blank\" rel=\"noopener\">The Primary Arms Classic Series 21mm Micro Reflex Sight<\/a> is no different. For a very low price of entry, Primary Arms has delivered a reliable red dot pistol optic in a narrow format, perfect for use with popular firearms like the P365 and G43X MOS.<\/p>\n<p>According to people without an irregular astigmatism (that\u2019s not me), the 3MOA dot reticle is crisp and round. This is born out in photos as well.<\/p>\n<figure id=\"attachment_536640\" aria-describedby=\"caption-attachment-536640\" style=\"width: 696px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-536640\" alt=\"\" width=\"696\" height=\"522\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-700x525.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-300x225.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-768x576.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-150x112.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-696x522.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-560x420.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-80x60.jpg 80w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-265x198.jpg 265w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559.jpg 770w\" data-lazy-sizes=\"(max-width: 696px) 100vw, 696px\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-700x525.jpg\"\/><noscript><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-536640\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-700x525.jpg\" alt=\"\" width=\"696\" height=\"522\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-700x525.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-300x225.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-768x576.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-150x112.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-696x522.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-560x420.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-80x60.jpg 80w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559-265x198.jpg 265w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090559.jpg 770w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\"\/><\/noscript><figcaption id=\"caption-attachment-536640\" class=\"wp-caption-text\">Image courtesy JWT for thetruthaboutguns.com.<\/figcaption><\/figure>\n<p>The 21mm form factor is fairly narrow, but still large enough to get a solid sight picture.\u00a0 The choice to make this a rectangular screen with a fairly narrow 6061-T6 aluminum housing means that every millimeter of potential screen space is available for use.<\/p>\n<p>That screen space is clear, but with some bluing and slight dimming of the image in low light.<\/p>\n<p>There are 10 brightness settings, but none specific to NV optics.<\/p>\n<p>The <a href=\"https:\/\/www.primaryarms.com\/primary-arms-classic-series-21mm-micro-reflex-sight-3-moa-dot\" target=\"_blank\" rel=\"noopener\">Classic Series 21mm Micro Reflex Sight<\/a> has no \u201cshake awake\u201d or instant on feature, nor is there any automatic brightness adjustment. On the medium setting, a single CR2023 battery (one supplied) should last well over 30,000 hours. That\u2019s almost three and a half years.<\/p>\n<p>I never turned this one off and it\u2019s lasted 3 months and counting. As the battery is mounted on the bottom, you\u2019ll have to unmount, remount, and then re-zero the optic each time you swap out the battery.<\/p>\n<figure id=\"attachment_536642\" aria-describedby=\"caption-attachment-536642\" style=\"width: 696px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-536642\" alt=\"\" width=\"696\" height=\"392\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-700x394.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-300x169.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-768x432.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-150x84.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-696x391.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-747x420.jpg 747w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-560x315.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525.jpg 770w\" data-lazy-sizes=\"(max-width: 696px) 100vw, 696px\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-700x394.jpg\"\/><noscript><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-536642\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-700x394.jpg\" alt=\"\" width=\"696\" height=\"392\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-700x394.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-300x169.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-768x432.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-150x84.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-696x391.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-747x420.jpg 747w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525-560x315.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_085525.jpg 770w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\"\/><\/noscript><figcaption id=\"caption-attachment-536642\" class=\"wp-caption-text\">Image courtesy JWT for thetruthaboutguns.com.<\/figcaption><\/figure>\n<p>You\u2019ll need a very small hex key (one is supplied) to adjust the windage and elevation. Those adjustments should be 1 MOA \u201cper click,\u201d but there are no clicks. I couldn\u2019t hear or feel any response from the adjustment screws. The adjustment itself is very smooth, so as you look through the optic, it\u2019s pretty easy to simply turn the screws and watch the dot move to where you want it.<\/p>\n<figure id=\"attachment_536710\" aria-describedby=\"caption-attachment-536710\" style=\"width: 696px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-536710\" alt=\"\" width=\"696\" height=\"450\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-700x453.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-300x194.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-768x497.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-150x97.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-696x450.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-649x420.jpg 649w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-560x362.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142.jpg 770w\" data-lazy-sizes=\"(max-width: 696px) 100vw, 696px\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-700x453.jpg\"\/><noscript><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-536710\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-700x453.jpg\" alt=\"\" width=\"696\" height=\"450\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-700x453.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-300x194.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-768x497.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-150x97.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-696x450.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-649x420.jpg 649w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142-560x362.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230308_184142.jpg 770w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\"\/><\/noscript><figcaption id=\"caption-attachment-536710\" class=\"wp-caption-text\">Image courtesy JWT for thetruthaboutguns.com<\/figcaption><\/figure>\n<p>Despite its low cost, I have no concerns with the Primary Arms 21mm MRS when it comes to reliability. I\u2019ve now put several thousand rounds under this optic through a variety of pistols and a Remington VersaMax shotgun on a Picatinny mount. The dot never moved unless I wanted it to and never failed in any way.<\/p>\n<p>Controls are simple enough; \u201c+\u201d for on and brighter, \u201c-\u201d for dimmer. Hold both buttons down to turn it off. Bare-handed I had no problems getting the controls right, but they were too small to use with any kind of gloves on.<\/p>\n<figure id=\"attachment_536641\" aria-describedby=\"caption-attachment-536641\" style=\"width: 696px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-536641\" alt=\"\" width=\"696\" height=\"392\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-700x394.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-300x169.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-768x432.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-150x84.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-696x391.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-747x420.jpg 747w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-560x315.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721.jpg 770w\" data-lazy-sizes=\"(max-width: 696px) 100vw, 696px\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-700x394.jpg\"\/><noscript><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-536641\" src=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-700x394.jpg\" alt=\"\" width=\"696\" height=\"392\" srcset=\"https:\/\/cdn0.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-700x394.jpg 700w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-300x169.jpg 300w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-768x432.jpg 768w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-150x84.jpg 150w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-696x391.jpg 696w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-747x420.jpg 747w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721-560x315.jpg 560w, https:\/\/www.thetruthaboutguns.com\/wp-content\/uploads\/2023\/03\/20230302_090721.jpg 770w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\"\/><\/noscript><figcaption id=\"caption-attachment-536641\" class=\"wp-caption-text\">Image courtesy JWT for thetruthaboutguns.com.<\/figcaption><\/figure>\n<p>Primary Arms doesn\u2019t list any waterproof rating for the 21mm MRS and there\u2019s none mentioned in the manual. Since it\u2019s an open bottom design, with the battery exposed, water resistance is likely to be minimal. I went ahead and swiped it through the shower spray a few times it while mounted on a pistol there was no ill effect.<\/p>\n<p>What\u2019s nice is that this lower-priced optic is still covered by the <a href=\"https:\/\/primaryarmsoptics.com\/primary-arms-optics-warranty-information\/\">Primary Arms Lifetime Guarantee<\/a>. Primary Arms is well-known for their quality customer service, and their Lifetime Guarantee is great.<\/p>\n<p>The <a href=\"https:\/\/www.primaryarms.com\/primary-arms-classic-series-21mm-micro-reflex-sight-3-moa-dot\">Classic Series 21mm MRS<\/a> wouldn\u2019t be my choice for a duty optic, but it\u2019s a solid choice for folks on a budget who want or need a reliable red dot sight for their pistol. That\u2019s especially the case for semi-autos with narrow slides, common with today\u2019s popular EDC guns.<\/p>\n<h3><strong>SPECIFICATIONS: <a href=\"https:\/\/amzn.to\/3JxHqwf\" target=\"_blank\" rel=\"noopener\">Primary Arms Classic Series 21mm Micro Reflex Sight\u00a0<\/a><\/strong><\/h3>\n<p>Battery Life: 25,001 \u2013 50,000 Hours<br \/>Battery Type:\u00a0 CR2032 3V Lithium Coin<br \/>Brightness: 10 Settings<br \/>Click Value: 1 MOA<br \/>Material: Aluminum \u2013 6061-T6Country of Origin: Made in China<br \/>Optic Series: Classic<br \/>Reticle: 3 MOA Dot<br \/>Reticle Color: Red<br \/>Warranty: Lifetime<br \/>Weight.: 56 oz<br \/>Height: .86\u2033Length: 1.58\u2033<br \/>Total windage adjustment: 60MOA<br \/>Total elevation adjustment: 60MOA<br \/><strong>Price:\u00a0<a href=\"https:\/\/amzn.to\/3JxHqwf\" target=\"_blank\" rel=\"noopener\">$149.99<\/a><\/strong><\/p>\n<h3><strong>Ratings (out of five stars):<\/strong><\/h3>\n<p><strong>Overall * * *<\/strong><br \/>Zero frills. There\u2019s no \u201cshake awake\u201d or auto on, but the battery will last for years\u2026literally. The dot is crisp and clear, but there\u2019s a little bluing present through the glass. The lack of \u201cclicks\u201d is annoying, but the Primary Arms 21mm Sight certainly handles recoil and never skipped beat. For under $150, the Primary Arms Classic Series 21mm Micro Reflex Sight is a very solid, affordable choice.<\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/www.thetruthaboutguns.com\/optic-review-primary-arms-classic-series-21mm-micro-reflex-sight\/\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Primary Arms Classic Series 21mm Micro Reflex Sight (Image courtesy JWT for thetruthaboutguns.com.) The number one review request I get is \u201cbudget optic reviews.\u201d You\u2019ll see the Primary Arms brand in a fairly high percentage of those reviews, as they consistently deliver quality above their price point. The Primary Arms Classic Series 21mm Micro Reflex [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":932,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":{"0":"post-931","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-reviews"},"_links":{"self":[{"href":"https:\/\/americangunpeople.com\/index.php?rest_route=\/wp\/v2\/posts\/931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/americangunpeople.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/americangunpeople.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/americangunpeople.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/americangunpeople.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=931"}],"version-history":[{"count":0,"href":"https:\/\/americangunpeople.com\/index.php?rest_route=\/wp\/v2\/posts\/931\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/americangunpeople.com\/index.php?rest_route=\/wp\/v2\/media\/932"}],"wp:attachment":[{"href":"https:\/\/americangunpeople.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/americangunpeople.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/americangunpeople.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}