Browning Invector PLUS choke threads, ported and extended for skeet 3 x Billman™

Description

This is a 3 x
Billman
™
WIN-plus
Ported
Choke for the
Browning
Invector PLUS threads, 12 Ga
.
This
model
allows fine tuning of The shotgun performance in detail. In combination with the right ammunition it provide optimization of performance. The constriction range is suitable for FITASC, Long range clay-sport, hunting and some skeet (a
little
bit to tight for most skeet
shooters
)
If fits all shotguns made for
Invector
PLUS (+)
12 Ga. threads.
(it will not fit a shotgun made for Standard Invector or Invector DS shotgun chokes).
About 30 makers and brands use this
Invector PLUS choke
-system.
It does not fit any other caliber or choke system.
If unsure please send us a pic of your old chokes.
.
Make sure to apply thin layer oil or (better use grease) on the outside of the Choke and make sure to clean the chokes well and threads to finalize a good gas seal between choke and barrel. During shooting: Make sure to unload your shotgun and make regular inspections that the choke is firmly installed. Only use standard factory loaded shells with wad-cup (shot-cup).
Marking is on the head to make it easy to confirmation what type of choke you have. It also comes with rims on the head indicating the constriction.
This choke have a
Straight Conical
design (most chokes have a Conical Parallel Design).
The straight conical design is nicer to soft lead pellets to allow a better pattern with less stray pellets/shots.
This choke is open for counter offers.
The Choke is  Under/Over and Side-by-Side friendly
(chokes on pics below is for illustration on Side-by-side friendliness, not actually sold)
.
Fits
Invector
PLUS (+)
12 Gauge choke Systems.
5 choke-set for "Turkey" /
FITASC, clay-sport, Skeet and hunting.
Constriction range: Cylinder to FULL
Made from heat-treated 4140-ordnance steel with a corrosion protection.
Warranty: Yeas (limitations apply),
Choke wrench (not needed for extended),
Barrel/Bore: 12 Ga,
Barrel muzzle/end screw in,
Choke end: smooth end with key/wrench tags (choke keys not necessary)
Ports: yeas
Color rings: Yeas, removable. To keep them permanently in place please use thread glue.
Extended: yeas
Constriction numbers are nominal. Usually chokes comes like +.002"-.002" smaller/larger than listed and expands the first 25 shots the final constriction. Our constriction ranges does not fully comply with Browning standard.
Constrictions/inner
caliber
in inch diameter:
IC
Improved Cylinder .725
LM
Modified .720
M
Improved Modified .715
If you have a U/O or side by side shotgun the second set will come with a 10% discount.
All Chokes have been tested in a test barrel to meet our standards.
If you was looking for our Mobil chokes you find it here:
www.ebay.com/sch/cellcrypter/m.html
Common question about steel shots/pellets.
The chokes are rated for steel shots (limitation apply).
Shipping:
We ship via FedEx with tracking.
We combine shipping.
TAX
We pay tax for US. and EU customers and ship with low value to Canada, UK and other countries.
Payment:
We accept PayPal as payment.
Contact:
Email: please use the eBay CONTACT SELLER link.  We answer all questions within one business day.