Mini 14: 5.56 Harmful or not - Ruger Forum
Oct 13, 2009 · I bought a Mini 14 Ranch rifle (hardwood) the and of Jan. 2009. first 3 numbers of the serial are 581. I guess that makes it a 580 series. The manual which was printed 1/05/2009 says it can shoot 223 or 5.56. In fact the front of the manual says it is a caliber 223/5.56. It also says that the target model is for 223 Only.
Can My Mini 14 Shoot a 556 Round - Ruger Forum
Oct 12, 2015 · Nearly all Mini-14's and Ranch Models, whether they are marked .223 or 5.56, can safely fire either 5.56 NATO or .223 Remington. The only exception is the Mini-14 Target models (The ones with the big harmonic tuner on the barrel), which is limited to .223 Remington only. Ruger Customer Service
Resolved controversy of the use of 5.56 mm NATO in Ruger Mini-14
May 14, 2023 · Ruger SR-556, AR-556, and Mini-14 can safely shoot 223 Remington, 5.56x45, or 5.56 NATO ammo ... the exception being a Mini-14 Target Model, which is strictly a 223 Rem or Mini-14s that were made before 1981, which can shoot 5.56x45 or 223 Rem. This makes a lot of sense because the NATO standard came in 1980 or thereabouts.
5.56 ammo and the mini 14 - Ruger Forum
Sep 16, 2014 · some have asked questions on shooting 5.56 ammo out of a mini 14. if you look at the stamping on the barrel the mini 14 is chambered for .223 not 5.56. there is a big difference between the two. they may look the same but their different in the pressure side of it., the 5.56 creates up to 50,000 psi more than the.223. you may not have a problem for along time but some day your gun may blow up ...
Mini 14 .223 &/or .556? - Ruger Forum
Feb 4, 2017 · All standard Mini 14's, ranch rifles, and tactical models are chambered in 5.56nato, It will handle both .223 and 5.56. Even though old rifles like my 20year old 188 series is market .223 ranch rifle on the receiver my owners manual and my own test shows it is chambered for both rounds. Only the target model is chambered in .223 only.
Anyone Using 5.56 in Their Mini-14? - Ruger Forum
Feb 24, 2012 · The difference in a 223 Rem and a GI 5.56 is very subtle ... the throat is slightly longer in a 5.56 chamber. No problem .... except for the Mini-14 Target, all other Mini's are chambered for 5.56 and will shoot either round. The 5.56 NATO is rated at a higher chamber pressure than a 223 Rem but that is very misleading.
Best .223/556 ammo for the Mini 14 - Ruger Forum
Oct 1, 2013 · With the exception of the Mini-14 Target Rifle, which accepts only .223 Rem. ammunition, .223 Rem. and 5.56 NATO can be used in all Mini-14 rifles and Ranch Rifles. Please note that "Military Surplus" 5.56mm NATO can vary greatly in its quality and consistency.
Accuracy Loads for Mini-14 .223 Rem./NATO 5.56 - Ruger Forum
Nov 15, 2012 · Mini-14 .223/5.56 (new series) Gone, but not forgotten: SR556 Mini-14 6.8 SPC Rem. 1963 MK I Bull Barrel SR9
Mini-14 Owners: Which, in your experience is the best...
Apr 2, 2024 · By and large, in the Mini-14, the faster ROT (1-7") will tend to favor heavier bullets such as 62 gn. Conversely, the slower ROT (1-10") will tend to favor lighter bullets, such as 55 gn. Suggest you begin testing with bullets whose weight is most consonant with the ROT of your particular Mini-14. BUT, each rifle is a bit different, so DO ...
Mini 14 and 556 ammo - Ruger Forum
Feb 16, 2020 · Can I shoot 5.56 NATO ammunition in my Mini-14® or Ranch Rifle? With the exception of the Mini-14® Target Rifle, which accepts only .223 Rem. ammunition, .223 Rem. and 5.56 NATO can be used in all Mini-14® rifles and Ranch Rifles. Please note that "Military Surplus" 5.56mm NATO can vary greatly in its quality and consistency.