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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Whats My Borescope Telling Me
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<blockquote data-quote="DDB TX" data-source="post: 2907414" data-attributes="member: 64182"><p>The slide action 760 rifles' barrels are basically free floated after the receiver; the side bars and the grip itself do not contact the barrel (or at least SHOULD not contact the barrel! There may be enough slop to allow the bars or grip to touch the barrel though. The shooter should be aware of this and be sure he is not putting pressure on the grip side to side.) </p><p>Also, my understanding is that the early to mid 60s BDL (fancy) versions of the 760 also had a slight hump in the rear of the receiver, this added thickness and stiffness to the receiver itself, because of more metal. See first photo, the top is a regular ADL 760 in 30-06 and the bottom is that shortened .270, a BDL, with a small hump in the receiver by the rear scope mount. I checked when I had it disasembled and it really is thicker metal, not a different stamping.</p><p>Unfortunately the early 760s also had a ring around the barrel for the forward sling swivel to be mounted on. Horrible idea for accuracy. Later replaced by sling swivels that mounted onto the slide itself. (see second picture) And the barrels were I believe press-fitted into the receivers.</p><p></p><p>The 740s, being semis, did not have (potentially) free floating barrels. As with, say, a milspec M16A2, the barrel is attached to the handguard and other items, making it less accurate.</p></blockquote><p></p>
[QUOTE="DDB TX, post: 2907414, member: 64182"] The slide action 760 rifles' barrels are basically free floated after the receiver; the side bars and the grip itself do not contact the barrel (or at least SHOULD not contact the barrel! There may be enough slop to allow the bars or grip to touch the barrel though. The shooter should be aware of this and be sure he is not putting pressure on the grip side to side.) Also, my understanding is that the early to mid 60s BDL (fancy) versions of the 760 also had a slight hump in the rear of the receiver, this added thickness and stiffness to the receiver itself, because of more metal. See first photo, the top is a regular ADL 760 in 30-06 and the bottom is that shortened .270, a BDL, with a small hump in the receiver by the rear scope mount. I checked when I had it disasembled and it really is thicker metal, not a different stamping. Unfortunately the early 760s also had a ring around the barrel for the forward sling swivel to be mounted on. Horrible idea for accuracy. Later replaced by sling swivels that mounted onto the slide itself. (see second picture) And the barrels were I believe press-fitted into the receivers. The 740s, being semis, did not have (potentially) free floating barrels. As with, say, a milspec M16A2, the barrel is attached to the handguard and other items, making it less accurate. [/QUOTE]
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Whats My Borescope Telling Me
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