Rifle Twist & Stability Calculator

.sbi_lb-loader span{--wpr-bg-9a029d2a-48a7-45ae-8101-6b1e9146acfa: url('https://www.impactproshop.net/wp-content/plugins/instagram-feed/img/sbi-sprite.png');}.sbi_lb-nav span{--wpr-bg-21306aee-81b5-4c32-a4ea-024b3df83ee0: url('https://www.impactproshop.net/wp-content/plugins/instagram-feed/img/sbi-sprite.png');}.cr-form-item-media-preview .cr-upload-images-containers .cr-upload-images-delete-spinner{--wpr-bg-8f8618eb-8910-4ffd-82ec-9f6c4485a6d4: url('https://www.impactproshop.net/wp-content/plugins/customer-reviews-woocommerce/img/spinner-2x.gif');}.cr-show-more-review-spinner,.cr-show-more .cr-show-more-spinner,.cr-all-reviews-shortcode .commentlist.cr-pagination-load .cr-pagination-review-spinner{--wpr-bg-3b05fb98-b930-47bc-98d8-89716ecd3e8b: url('https://www.impactproshop.net/wp-content/plugins/customer-reviews-woocommerce/img/spinner-2x.gif');}.cr-qna-block #cr-show-more-q-spinner{--wpr-bg-ce536ecb-80d5-4fa8-b2f1-318e83a43993: url('https://www.impactproshop.net/wp-content/plugins/customer-reviews-woocommerce/img/spinner-2x.gif');}#review_form .cr-upload-images-preview .cr-upload-images-containers .cr-upload-images-delete-spinner,.cr-upload-images-preview .cr-upload-images-containers .cr-upload-images-delete-spinner{--wpr-bg-0be2c963-9d75-415d-9f60-39f8ce3a4e4a: url('https://www.impactproshop.net/wp-content/plugins/customer-reviews-woocommerce/img/spinner-2x.gif');}.ui-widget-content{--wpr-bg-41c7dd72-167b-4f50-989f-d6a128a05991: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_flat_75_ffffff_40x100.png');}.ui-widget-header{--wpr-bg-db36dcf4-06a7-4d69-a0ce-ca3ccafa151f: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_highlight-soft_75_cccccc_1x100.png');}.ui-state-default,.ui-widget-content .ui-state-default,.ui-widget-header .ui-state-default{--wpr-bg-7d857930-5163-43c7-b538-c8209fb3ccd1: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_glass_75_e6e6e6_1x400.png');}.ui-state-hover,.ui-widget-content .ui-state-hover,.ui-widget-header .ui-state-hover,.ui-state-focus,.ui-widget-content .ui-state-focus,.ui-widget-header .ui-state-focus{--wpr-bg-fbd87510-5850-4ebb-8c43-b2bb4176ca24: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_glass_75_dadada_1x400.png');}.ui-state-active,.ui-widget-content .ui-state-active,.ui-widget-header .ui-state-active{--wpr-bg-05063655-b493-45c5-8a10-6e470cdc14e0: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_glass_65_ffffff_1x400.png');}.ui-state-highlight,.ui-widget-content .ui-state-highlight,.ui-widget-header .ui-state-highlight{--wpr-bg-79dddec4-86c1-4f69-9069-af8f9bf321ec: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_glass_55_fbf9ee_1x400.png');}.ui-state-error,.ui-widget-content .ui-state-error,.ui-widget-header .ui-state-error{--wpr-bg-a926a0d5-c362-478b-86de-ade96591d3ba: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_glass_95_fef1ec_1x400.png');}.ui-widget-overlay{--wpr-bg-b442a717-860a-4bb2-8157-b66484a0bade: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_flat_0_aaaaaa_40x100.png');}.ui-widget-shadow{--wpr-bg-d6e48f94-547d-43c8-a287-bce668c3d424: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-bg_flat_0_aaaaaa_40x100.png');}.ui-icon{--wpr-bg-82f499f2-a0c2-40f3-adb8-30bdf8673c25: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-icons_222222_256x240.png');}.ui-widget-content .ui-icon{--wpr-bg-1cfa2592-e083-4323-92a4-918c08b79145: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-icons_222222_256x240.png');}.ui-widget-header .ui-icon{--wpr-bg-6cfa4813-7330-447d-8d70-17575708dc40: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-icons_222222_256x240.png');}.ui-state-default .ui-icon{--wpr-bg-f04efa45-213b-4a9e-bb5d-e79e3cc1566d: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-icons_888888_256x240.png');}.ui-state-hover .ui-icon,.ui-state-focus .ui-icon{--wpr-bg-0e09e6c0-826d-4083-80c6-6df13cf367d8: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-icons_454545_256x240.png');}.ui-state-active .ui-icon{--wpr-bg-11487747-7810-461e-9c2e-e7ffbc1dcb19: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-icons_454545_256x240.png');}.ui-state-highlight .ui-icon{--wpr-bg-70ba5c01-d188-4833-b28d-be6c8bceced3: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-icons_2e83ff_256x240.png');}.ui-state-error .ui-icon,.ui-state-error-text .ui-icon{--wpr-bg-4b47f546-5771-43a1-8542-7280d25482f2: url('https://www.impactproshop.net/wp-content/plugins/aramex-shipping-woocommerce/assets/css/images/ui-icons_cd0a0a_256x240.png');}[id^="pmpro_paypal"] .pmpro_btn-submit-checkout-paypal-image{--wpr-bg-646d5fc3-2f1a-4488-a167-b5f69b454464: url('https://www.impactproshop.net/wp-content/plugins/paid-memberships-pro/images/paypal-color.svg');}#wl-wrapper .wl-share-links a{--wpr-bg-96c47683-bda4-4b83-931f-d5bdc68d41c7: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-wishlists/assets/images/wl-share-icons.png');}#wl-wrapper .wl-share-links a{--wpr-bg-fba826fa-8b06-4a39-83b4-41a6de9911a4: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-wishlists/assets/images/wl-share-icons@2x.png');}#wl-wrapper .wl-add-link.star{--wpr-bg-4301c60d-5cd0-485c-9b1f-f62fcd3cfb39: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-wishlists/assets/images/star.png');}#wl-wrapper .wl-add-link.star{--wpr-bg-717aa320-85f7-4b1d-b477-30c2b430dfa9: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-wishlists/assets/images/star@2x.png');}#wl-wrapper .wl-add-link.present{--wpr-bg-6867ae56-7259-4266-ae9b-e9039dd35378: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-wishlists/assets/images/present.png');}#wl-wrapper .wl-add-link.present{--wpr-bg-bd76d9c2-ad62-4933-aff7-1e99cf8a44f8: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-wishlists/assets/images/present@2x.png');}.woocommerce .blockUI.blockOverlay::before{--wpr-bg-b8cd9ee1-0818-4ebb-8083-951afb1a4d4a: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/loader.svg');}.woocommerce .loader::before{--wpr-bg-3ca62fae-9cf3-4ea8-a4d0-16646eb4e061: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/loader.svg');}#add_payment_method #payment div.payment_box .wc-credit-card-form-card-cvc.visa,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-expiry.visa,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-number.visa,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-cvc.visa,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-expiry.visa,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-number.visa,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-cvc.visa,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-expiry.visa,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-number.visa{--wpr-bg-cdcbe632-895f-4cbb-a3e5-acda1e041ded: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/credit-cards/visa.svg');}#add_payment_method #payment div.payment_box .wc-credit-card-form-card-cvc.mastercard,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-expiry.mastercard,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-number.mastercard,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-cvc.mastercard,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-expiry.mastercard,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-number.mastercard,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-cvc.mastercard,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-expiry.mastercard,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-number.mastercard{--wpr-bg-74e43dc1-2222-4388-ad11-8be6d4c964e8: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/credit-cards/mastercard.svg');}#add_payment_method #payment div.payment_box .wc-credit-card-form-card-cvc.laser,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-expiry.laser,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-number.laser,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-cvc.laser,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-expiry.laser,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-number.laser,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-cvc.laser,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-expiry.laser,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-number.laser{--wpr-bg-bb554436-7843-41f4-8f20-deb436c39b03: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/credit-cards/laser.svg');}#add_payment_method #payment div.payment_box .wc-credit-card-form-card-cvc.dinersclub,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-expiry.dinersclub,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-number.dinersclub,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-cvc.dinersclub,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-expiry.dinersclub,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-number.dinersclub,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-cvc.dinersclub,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-expiry.dinersclub,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-number.dinersclub{--wpr-bg-4914cf73-baab-4a77-9852-9d4ae21a1a7f: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/credit-cards/diners.svg');}#add_payment_method #payment div.payment_box .wc-credit-card-form-card-cvc.maestro,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-expiry.maestro,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-number.maestro,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-cvc.maestro,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-expiry.maestro,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-number.maestro,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-cvc.maestro,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-expiry.maestro,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-number.maestro{--wpr-bg-407b0f06-1459-4ef5-887f-8050d27aef70: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/credit-cards/maestro.svg');}#add_payment_method #payment div.payment_box .wc-credit-card-form-card-cvc.jcb,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-expiry.jcb,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-number.jcb,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-cvc.jcb,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-expiry.jcb,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-number.jcb,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-cvc.jcb,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-expiry.jcb,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-number.jcb{--wpr-bg-c280d4c3-f1e9-4cd5-88e2-29a5fd0bdd99: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/credit-cards/jcb.svg');}#add_payment_method #payment div.payment_box .wc-credit-card-form-card-cvc.amex,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-expiry.amex,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-number.amex,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-cvc.amex,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-expiry.amex,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-number.amex,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-cvc.amex,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-expiry.amex,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-number.amex{--wpr-bg-9581e5c7-c3cc-4bd9-b37c-b2e247b7da86: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/credit-cards/amex.svg');}#add_payment_method #payment div.payment_box .wc-credit-card-form-card-cvc.discover,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-expiry.discover,#add_payment_method #payment div.payment_box .wc-credit-card-form-card-number.discover,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-cvc.discover,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-expiry.discover,.woocommerce-cart #payment div.payment_box .wc-credit-card-form-card-number.discover,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-cvc.discover,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-expiry.discover,.woocommerce-checkout #payment div.payment_box .wc-credit-card-form-card-number.discover{--wpr-bg-f48c5f5f-21e9-4999-bb60-8512af36e240: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/images/icons/credit-cards/discover.svg');}.if-menu-peek::after{--wpr-bg-0d76f06a-5022-45c5-8e7a-d3e568c7b4e9: url('https://www.impactproshop.net/wp-content/plugins/if-menu/assets/icon-visibility.svg');}.yith-wcan-filters .yith-wcan-filter .filter-title.collapsable.closed:after,.yith-wcan-filters .yith-wcan-filter .filter-title.collapsable:not(.opened):after,.yith-wcan-filters .yith-wcan-filter .filter-title.collapsable:not(.open):after{--wpr-bg-a3fd4fd8-1d12-4580-901a-36e2992b0884: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-down.svg');}.yith-wcan-filters .yith-wcan-filter .filter-title.collapsable.open:after,.yith-wcan-filters .yith-wcan-filter .filter-title.collapsable.opened:after{--wpr-bg-37006410-2aa7-4e19-84f1-1f37e27a55a3: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-up.svg');}.yith-wcan-filters .yith-wcan-filter .filter-items .filter-item.active.color:not(.no-color):not(.no-image):not(.label-right)>a:after{--wpr-bg-f65a6e48-2da6-4494-9b74-bcad7ce1fc63: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/close.svg');}.yith-wcan-filters .yith-wcan-filter .filter-items .filter-item.label.active.with-image:not(.label-right)>a:after{--wpr-bg-f4010258-d10a-4aea-8a4d-dfe1d9ccd599: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/close.svg');}.yith-wcan-filters .yith-wcan-filter .filter-items .filter-item.hierarchy-collapsable.closed>.toggle-handle{--wpr-bg-c198beae-f555-4abc-8f76-0fd3fc0d9f74: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-down.svg');}.yith-wcan-filters .yith-wcan-filter .filter-items .filter-item.hierarchy-collapsable.opened>.toggle-handle{--wpr-bg-c33ad343-0aac-4965-9caa-a4e9d9590eb2: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-up.svg');}.yith-wcan-filters .yith-wcan-filter .yith-wcan-dropdown.closed:after,.yith-wcan-filters .yith-wcan-filter .yith-wcan-dropdown:not(.opened):after,.yith-wcan-filters .yith-wcan-filter .yith-wcan-dropdown:not(.open):after{--wpr-bg-7382fa3e-d03e-4864-a8f0-b44265ded58f: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-down.svg');}.yith-wcan-filters .yith-wcan-filter .yith-wcan-dropdown.open:after,.yith-wcan-filters .yith-wcan-filter .yith-wcan-dropdown.opened:after{--wpr-bg-3e2882a1-801c-4408-8511-d163d1cf2b77: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-up.svg');}.yith-wcan-filters .yith-wcan-filter .yith-wcan-dropdown .dropdown-wrapper .search-field-container:after{--wpr-bg-de8c6aea-1fbe-49c1-bf35-5701860bdfc4: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/search.svg');}.yith-wcan-filters .yith-wcan-filter.filter-placeholder .select-placeholder.closed:after,.yith-wcan-filters .yith-wcan-filter.filter-placeholder .select-placeholder:not(.opened):after,.yith-wcan-filters .yith-wcan-filter.filter-placeholder .select-placeholder:not(.open):after{--wpr-bg-d08b9dc0-5a21-4b3d-9969-9df451f93e03: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-down.svg');}.yith-wcan-filters .yith-wcan-filter.filter-placeholder .select-placeholder.open:after,.yith-wcan-filters .yith-wcan-filter.filter-placeholder .select-placeholder.opened:after{--wpr-bg-4c2590fc-49b0-417f-8ee0-9a205685c2d7: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-up.svg');}.yith-wcan-filters.custom-style span.checkboxbutton.checked:before{--wpr-bg-94c64d64-989b-47c8-9467-df730c3bfabc: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/check.svg');}.yith-wcan-filters.horizontal:not(.filters-modal) .yith-wcan-filter.filter-placeholder .filter-content.closed:after,.yith-wcan-filters.horizontal:not(.filters-modal) .yith-wcan-filter.filter-placeholder .filter-content:not(.opened):after,.yith-wcan-filters.horizontal:not(.filters-modal) .yith-wcan-filter.filter-placeholder .filter-content:not(.open):after{--wpr-bg-be403d9a-b247-4aaa-a716-c875b60904d9: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-down.svg');}.yith-wcan-filters.horizontal:not(.filters-modal) .yith-wcan-filter.filter-placeholder .filter-content.open:after,.yith-wcan-filters.horizontal:not(.filters-modal) .yith-wcan-filter.filter-placeholder .filter-content.opened:after{--wpr-bg-9cbd7a11-4e8f-4b37-9b33-ab50a7a36608: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/arrow-up.svg');}.yith-wcan-active-filters .active-filter .active-filter-label:after{--wpr-bg-7200ce13-6338-4d48-bef4-93a2426cea0e: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/close.svg');}.yith-wcan-filters-opener i.filter-icon{--wpr-bg-794185ee-8d31-495f-96bc-5e6ad2de47b6: url('https://www.impactproshop.net/wp-content/plugins/yith-woocommerce-ajax-navigation/assets/images/filters.svg');}button.pswp__button{--wpr-bg-910ef71f-6c24-4426-81fa-d51d0ab07d2c: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/css/photoswipe/default-skin/default-skin.png');}.pswp__button,.pswp__button--arrow--left:before,.pswp__button--arrow--right:before{--wpr-bg-73166c03-7223-4627-8c9f-0771ed017c22: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/css/photoswipe/default-skin/default-skin.png');}.pswp__preloader--active .pswp__preloader__icn{--wpr-bg-11a6776a-dde1-4690-9980-4dc178edf1e9: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/css/photoswipe/default-skin/preloader.gif');}.pswp--svg .pswp__button,.pswp--svg .pswp__button--arrow--left:before,.pswp--svg .pswp__button--arrow--right:before{--wpr-bg-ad9e280b-d428-4b8d-8772-49e41f1d47f5: url('https://www.impactproshop.net/wp-content/plugins/woocommerce/assets/css/photoswipe/default-skin/default-skin.svg');}.chosen-container-single .chosen-single abbr{--wpr-bg-59070dff-e209-4fc6-9503-74d2b104a620: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite.png');}.chosen-container-single .chosen-single div b{--wpr-bg-ceb81a4b-8085-44c2-838f-d6a39e3054a8: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite.png');}.chosen-container-single .chosen-search input[type=text]{--wpr-bg-38316901-a58a-4a2b-8de1-b4b35eea93b0: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite.png');}.chosen-container-multi .chosen-choices li.search-choice .search-choice-close{--wpr-bg-1ae98485-a97e-446a-8ff3-4792e4377eea: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite.png');}.chosen-rtl .chosen-search input[type=text]{--wpr-bg-7fcb0db5-bea0-4c1e-8290-99c6f186f4b7: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite.png');}.chosen-rtl .chosen-search input[type=text],.chosen-container-single .chosen-single abbr,.chosen-container-single .chosen-single div b,.chosen-container-single .chosen-search input[type=text],.chosen-container-multi .chosen-choices .search-choice .search-choice-close,.chosen-container .chosen-results-scroll-down span,.chosen-container .chosen-results-scroll-up span{--wpr-bg-2833578e-68bf-467a-9cc9-8d4f0b6f262c: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite@2x.png');}.woocommerce-currency-switcher-form .chosen-container-single .chosen-single abbr{--wpr-bg-61d75e3d-e1ea-42f3-938d-7175f88e6853: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite-dark.png');}.woocommerce-currency-switcher-form .chosen-container-single .chosen-single div b{--wpr-bg-ef57418a-aeb1-4bbe-a313-0c1b3c3f6a72: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite-dark.png');}.woocommerce-currency-switcher-form .chosen-container-single .chosen-search input,.woocommerce-currency-switcher-form .chosen-rtl .chosen-search input{--wpr-bg-f25c8e0d-f9cc-4c32-b227-5d7aa978fa66: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite-dark.png');}.woocommerce-currency-switcher-form .chosen-container-multi .chosen-choices .search-choice .search-choice-close{--wpr-bg-3a7e04bd-a33a-4b69-99cf-20003d58f562: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/js/chosen/chosen-sprite-dark.png');}span.woocs_price_info_icon{--wpr-bg-bf4e2a95-63da-459e-a91b-f33152c746d5: url('https://www.impactproshop.net/wp-content/plugins/woocommerce-currency-switcher/img/woocs_price_info_icon.png');}.video-grid .pmpro .pmpro_content_message{--wpr-bg-f255fdd2-ea33-4e85-bf0c-b4e23fc15b7d: url('https://www.impactproshop.net/wp-content/uploads/2025/03/videos_bg.jpg');}

Rifle Twist & Stability Calculator

Calculate gyroscopic stability using the Miller Twist Rule.

Parameters

Bullet Caliber (D)

Bullet Weight (W, grains)

Ballistic Coefficient (BC)

Bullet Length (L, inches)

Barrel Twist (T, inches)

Muzzle Velocity

Temperature

Altitude

Results

Your results will appear here.

Your cart (items: 0)

Products in cart
Product	Details	Total
	Available on back-order Previous price: Discounted price:	Save

Rifle Twist & Stability Calculator

Parameters

Results

Gyroscopic Stability (SG)

Calculation Error

Your cart (items: 0)

Unlock the Calculator

Rifle Twist & Stability Calculator

Parameters

Results

Gyroscopic Stability (SG)

Calculation Error