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Long Range Hunting & Shooting
Long Range Browning BAR?
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<blockquote data-quote="Clark" data-source="post: 2032417" data-attributes="member: 6600"><p>I have built BAR pressure regulators from scratch and I have modified regulators.</p><p></p><p>Much easier to modify a $12 part.</p><p></p><p>With an FAL one can tune the gas bypass with a turn of a knob. This adjusts the rifle to the ammo. Enough gas to operate without jamming[small enough bypass hole], not so much gas the bolt hammers the frame [big enough bypass hole]. The recoil buffer helps a little with frame hammering. Check out the condition of that part.</p><p></p><p>But a BAR regulator is fixed. I like to load really hot [11 gr more H4350 for 140gr than Hodgdon says is max], and tune the rifle to the ammo.</p><p></p><p>The regulator in a BAR is just a 9/16-24 ultra fine thread bolt with a hole in</p><p>it. If FALs have adjustable by pass gas, BARs have fixed jets.</p><p></p><p>It is easier to modify a different cartridge regulator than to fabricate a regulator from a piece of steel. I have done both. [Look for a lack of bluing to spot the one I fabricated from scratch]</p><p></p><p>a) 7mm Mag is .066" hole</p><p>b) 300 Mag is .077" hole [p/n B3176146]</p><p>c) 338 Mag is .059" hole</p><p>d) My home made is .078" hole</p><p>e) recoil buffer [p/n B3176065]</p></blockquote><p></p>
[QUOTE="Clark, post: 2032417, member: 6600"] I have built BAR pressure regulators from scratch and I have modified regulators. Much easier to modify a $12 part. With an FAL one can tune the gas bypass with a turn of a knob. This adjusts the rifle to the ammo. Enough gas to operate without jamming[small enough bypass hole], not so much gas the bolt hammers the frame [big enough bypass hole]. The recoil buffer helps a little with frame hammering. Check out the condition of that part. But a BAR regulator is fixed. I like to load really hot [11 gr more H4350 for 140gr than Hodgdon says is max], and tune the rifle to the ammo. The regulator in a BAR is just a 9/16-24 ultra fine thread bolt with a hole in it. If FALs have adjustable by pass gas, BARs have fixed jets. It is easier to modify a different cartridge regulator than to fabricate a regulator from a piece of steel. I have done both. [Look for a lack of bluing to spot the one I fabricated from scratch] a) 7mm Mag is .066" hole b) 300 Mag is .077" hole [p/n B3176146] c) 338 Mag is .059" hole d) My home made is .078" hole e) recoil buffer [p/n B3176065] [/QUOTE]
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