{"product_id":"shoulder-bump-gauge","title":"Shoulder Bump Gauge","description":"\u003cp\u003eSelect the gauge that matches your cartridge’s published shoulder angle. If you are using a custom chamber, improved cartridge, or wildcat, verify the chamber print before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e17.5 Degree Shoulder Gauge\u003c\/strong\u003e\u003cbr\u003eClassic Springfield-family and long-action hunting cartridges with a 17.5 degree shoulder.\u003cbr\u003eCommon examples: .30-06 Springfield, .25-06 Remington, .270 Winchester, .280 Remington, .35 Whelen.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e20 Degree Shoulder Gauge\u003c\/strong\u003e\u003cbr\u003e.308 Winchester-family and related short-action cartridges with a 20 degree shoulder.\u003cbr\u003eCommon examples: .308 Winchester, .243 Winchester, 7mm-08 Remington, .260 Remington, .338 Federal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e23 Degree Shoulder Gauge\u003c\/strong\u003e\u003cbr\u003e.223 \/ 5.56-family cartridges and related small-frame rifle cartridges with a 23 degree shoulder.\u003cbr\u003eCommon examples: .223 Remington, 5.56 NATO, .300 Blackout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e25 Degree Shoulder Gauge\u003c\/strong\u003e\u003cbr\u003eCommon belted magnum hunting cartridges with a 25 degree shoulder.\u003cbr\u003eCommon examples: 7mm Remington Magnum, .300 Winchester Magnum.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e28 Degree Shoulder Gauge\u003c\/strong\u003e\u003cbr\u003eVarmint and medium-capacity cartridges using a 28 degree shoulder.\u003cbr\u003eCommon example: .22-250 Remington.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30 Degree Shoulder Gauge\u003c\/strong\u003e\u003cbr\u003eCreedmoor, BR, and select magnum families using a 30 degree shoulder.\u003cbr\u003eCommon examples: 6.5 Creedmoor, 6mm Creedmoor, 6mm BR, Remington Ultra Magnum family.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e35 Degree Shoulder Gauge\u003c\/strong\u003e\u003cbr\u003eModern hunting and short-magnum cartridges using a 35 degree shoulder.\u003cbr\u003eCommon example: 6.8 Western. Also verify other modern short-magnum cartridges by published shoulder angle before selecting this gauge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e40 Degree Shoulder Gauge\u003c\/strong\u003e\u003cbr\u003eSteep-shoulder improved, competition, and custom cartridges using a 40 degree shoulder.\u003cbr\u003eCommon examples: 6 Dasher, 6BRA, and many improved or wildcat cartridges. Always verify the exact shoulder angle on custom chambers before ordering.\u003c\/p\u003e","brand":"Sigma8 Labs","offers":[{"title":"17.5 Deg Shoulder","offer_id":49668220846322,"sku":"S8-SBG-17.5","price":0.0,"currency_code":"USD","in_stock":false},{"title":"20 Deg Shoulder","offer_id":49668220879090,"sku":"S8-SBG-20","price":0.0,"currency_code":"USD","in_stock":false},{"title":"23 Deg Shoulder","offer_id":49668220911858,"sku":"S8-SBG-23","price":0.0,"currency_code":"USD","in_stock":false},{"title":"25 Deg Shoulder","offer_id":49668220944626,"sku":"S8-SBG-25","price":0.0,"currency_code":"USD","in_stock":false},{"title":"28 Deg Shoulder","offer_id":49668220977394,"sku":"S8-SBG-28","price":0.0,"currency_code":"USD","in_stock":false},{"title":"30 Deg Shoulder","offer_id":49668221010162,"sku":"S8-SBG-30","price":0.0,"currency_code":"USD","in_stock":false},{"title":"35 Deg Shoulder","offer_id":49668221042930,"sku":"S8-SBG-35","price":0.0,"currency_code":"USD","in_stock":false},{"title":"40 Deg Shoulder","offer_id":49668221075698,"sku":"S8-SBG-40","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/3197\/0546\/files\/8-SBG-25.png?v=1781473029","url":"https:\/\/www.sigma8labs.com\/products\/shoulder-bump-gauge","provider":"Sigma8 Labs","version":"1.0","type":"link"}