I currently shoot 300 gr subsonic bullets and supersonic 200-250ish gr. The barrel is a rem700 barrel, so it will need to be rethreaded to match the MVP threads and then properly headspaced. The bolt face will need to be opened up a bit, maybe a little work on the feed ramp, etc. The ability to use AR15 mags in the bolt gun (especially with this cartridge/caliber) makes the MVP a good candidate as a donor action. I have an AR15 chambered in this caliber already and really wanted to do a bolt gun in the same caliber. It is 10mm magnum pistol brass necked down to. 338 Spectre is just a slightly bigger version of the. 338 Spectre (yes, I know, it is an odd caliber and not practical for most people). I sent it off to have some custom work done to rechamber/rebarrel the gun to. Refer to our Compatible Headspace Gauge Chart below or ask your sales representative if your gauge is cross-compatible.I ended up doing some trading and picked up a Mossberg MVP bolt action rifle currently chambered in. We list known compatible chambers with each headspace gauge product. 30-06 Springfield headspace gauges are usable in. FIELD gauges are slightly shorter than the SAAMI maximum in order to give a small safety margin.Ĭross-compatibility: Many of our headspace gauges are compatible with multiple chamber specifications. If chamber headspace is excessive, the gun should be taken out of service until it has been inspected and repaired by a competent gunsmith. If a rifle closes on a FIELD gauge, its chamber is dangerously close to, or longer than, SAAMI’s specified maximum chamber size. FIELD: Corresponds to the longest safe headspace.The NO-GO gauge is a valuable tool for checking a newly-reamed chamber in order to ensure a tight and accurate chamber. To determine if there is excessive headspace, the chamber should then be checked with a FIELD gauge. If a rifle closes on a NO-GO gauge, it may still be within SAAMI specifications or it may have excessive headspace. NO-GO: Corresponds to the maximum headspace Forster recommends for gunsmiths chambering new, bolt action rifles.Although the GO gauge is necessary for a gunsmith or armorer, it usually has fewer applications for the collector or surplus firearms purchaser. The GO gauge is essential for checking a newly-reamed chamber in order to ensure a tight, accurate and safe chamber that will accept SAAMI maximum ammo. If a rifle closes on a GO gauge, the chamber will accept ammunition that is made to SAAMI’s maximum specifications. GO: Corresponds to the minimum chamber dimensions.In order from the shortest to longest, they are: GO, NO-GO, and FIELD: Pacific Tool and Gauge offers three lengths of headspace gauges per rifle caliber. Remington Model 7 Receivers and Actions.Remington 700 Actions - Blueprinted & Custom.Custom Shop NOS Titanium Actions - Very Limited.Actions, Bolts, Bottom Metal, Fire Arms.High Speed Steel (HSS) Dovetail Cutter.4 Flute - Double End Ball Nose Carbide Mill Cutters.4 Flute - Single End Ball Nose Carbide Mill Cutters.4 Flute - Double End Square Carbide Mill Cutters.4 Flute - Single End Square Carbide Mill Cutters.2 Flute - Double End Ball Nose Carbide Mill Cutters.2 Flute - Single End Ball Nose Carbide Mill Cutters.2 Flute - Double End Square Carbide Mill Cutters.2 Flute - Single End Square Carbide Mill Cutters.Shotgun / South American and European Big Bore Headspace Gauges.(SAAMI) Centerfire Rifle Headspace Gauges.(SAAMI) Centerfire Pistol & Revolver Headspace Gauges.Bushing Sets For Chamber Reamers and Barrel Tools.Single Bushing For Chamber Reamers and Barrel Tools.
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