Float Pilot
Well-known member
This is the new M70 Win, that was assembled in Portugal under the FN company.
It was originally shooting 6 to 8 inch groups at 100 yards.
So far I have;
1. Lapped the bore.
2. Polished the interior of the bolt assembly. And firing pin.
3. Reduced the horrible trigger pull from 6 pounds down to 3. ( needs work)
4. Removed the crappy factory bedding and re-bedded the action.
5. Free floated the barrel better than the factory did,,,,
HERE IS HOW SHE SHOOTS NOW:
FACTORY LOADS:
Old Remington 180gr Core Lock round nose
=0.80 inch group
POST RE-BED
165gr Sierra Game King SP-BT
62.0gr RL-22
Fed 210, old WW brass
3.268 col no crimp
0.89 inch group
Pressure signs on primers
POST-RE-BEDDING
178gr Hornady ELD-X
59.0 gr H-4831
FED 210 primer, Old Winchester brass
3.272 col and no crimp.
=0.80 inch group,
AFTER RE-BED
180gr Speer BoatTail Soft Point
60.0 gr H-4831
Fed 210, Old Winchester brass
3.287 col, no crimp
= 0.720 inch group, and 2,692 fps over chrono
Post Re-bed.
200gr Hornady ELD-X
57.5 gr RL-22
FED 210 primer, Od WW Brass
3.299col and no crimp.
= 0.86 inch group.
Some pressure signs on primers
POST RE-BED
200gr Hornady ELD-X, bullet deformed while seating
56.0 gr SUPERFORMANCE
FED 210 primer, Od WW Brass
3.311 col and no crimp.
= 0.70 inch group. Vertical string, 2,573 fps over chrono
pressure signs on primers dirty necks
POST RE-BED
200gr Speer flat base soft point
58.0gr H-4831
Fed 210 primer, Rem plated brass
3.280 COL, No Crimp
=0.77 inch group left to right group
Slight crater around primer marks
200gr Speer flat base soft point
53.5gr WW STABALL 6.5
Fed 210 primer, Remington plated
3.282 inch COL, No Crimp
=0.85 inch group , 2,585 fps
Slight crater around primer marks POST RE-BED
220gr Hornady round nose soft point
57.5gr H-4831
Fed 210 primer, Rem plated brass
3.337 COL, No Crimp
=0.48 inch group
Slight crater around primer marks max load in Lyman 49.
220gr Hornady round nose soft point
57.0 gr H-4831
Fed 210 primer, OLD Winchester brass
3.229 COL, No Crimp
=0.72 inch group.... 2,477 fps over chronograph
Crater around primer marks
220gr Hornady round nose soft point
53.5gr WW STABALL
Fed 210 primer, Rem plated brass
3.227COL, No Crimp
=0.73 inch group,.... 2,535 fps
Slight crater around primer marks
220gr Hornady round nose soft point
55.0 gr SUPERFORMANCE
Fed 210 primer, Old WW Brass
3.224 COL, No Crimp
=0.83 inch group, 2,340 fps over chrono
Slight crater around primer marks. Dirty necks
220gr Hornady round nose soft point
57.5gr RL-22
Fed 210 primer, Old WW Brass
3.216 COL, No Crimp
=0.85 inch group 4 shots in 0.60 inch
Slight crater around primer marks.
It was originally shooting 6 to 8 inch groups at 100 yards.
So far I have;
1. Lapped the bore.
2. Polished the interior of the bolt assembly. And firing pin.
3. Reduced the horrible trigger pull from 6 pounds down to 3. ( needs work)
4. Removed the crappy factory bedding and re-bedded the action.
5. Free floated the barrel better than the factory did,,,,
HERE IS HOW SHE SHOOTS NOW:
FACTORY LOADS:
Old Remington 180gr Core Lock round nose
=0.80 inch group
POST RE-BED
165gr Sierra Game King SP-BT
62.0gr RL-22
Fed 210, old WW brass
3.268 col no crimp
0.89 inch group
Pressure signs on primers
POST-RE-BEDDING
178gr Hornady ELD-X
59.0 gr H-4831
FED 210 primer, Old Winchester brass
3.272 col and no crimp.
=0.80 inch group,
AFTER RE-BED
180gr Speer BoatTail Soft Point
60.0 gr H-4831
Fed 210, Old Winchester brass
3.287 col, no crimp
= 0.720 inch group, and 2,692 fps over chrono
Post Re-bed.
200gr Hornady ELD-X
57.5 gr RL-22
FED 210 primer, Od WW Brass
3.299col and no crimp.
= 0.86 inch group.
Some pressure signs on primers
POST RE-BED
200gr Hornady ELD-X, bullet deformed while seating
56.0 gr SUPERFORMANCE
FED 210 primer, Od WW Brass
3.311 col and no crimp.
= 0.70 inch group. Vertical string, 2,573 fps over chrono
pressure signs on primers dirty necks
POST RE-BED
200gr Speer flat base soft point
58.0gr H-4831
Fed 210 primer, Rem plated brass
3.280 COL, No Crimp
=0.77 inch group left to right group
Slight crater around primer marks
200gr Speer flat base soft point
53.5gr WW STABALL 6.5
Fed 210 primer, Remington plated
3.282 inch COL, No Crimp
=0.85 inch group , 2,585 fps
Slight crater around primer marks POST RE-BED
220gr Hornady round nose soft point
57.5gr H-4831
Fed 210 primer, Rem plated brass
3.337 COL, No Crimp
=0.48 inch group
Slight crater around primer marks max load in Lyman 49.
220gr Hornady round nose soft point
57.0 gr H-4831
Fed 210 primer, OLD Winchester brass
3.229 COL, No Crimp
=0.72 inch group.... 2,477 fps over chronograph
Crater around primer marks
220gr Hornady round nose soft point
53.5gr WW STABALL
Fed 210 primer, Rem plated brass
3.227COL, No Crimp
=0.73 inch group,.... 2,535 fps
Slight crater around primer marks
220gr Hornady round nose soft point
55.0 gr SUPERFORMANCE
Fed 210 primer, Old WW Brass
3.224 COL, No Crimp
=0.83 inch group, 2,340 fps over chrono
Slight crater around primer marks. Dirty necks
220gr Hornady round nose soft point
57.5gr RL-22
Fed 210 primer, Old WW Brass
3.216 COL, No Crimp
=0.85 inch group 4 shots in 0.60 inch
Slight crater around primer marks.