Why is there a gap, above the plunger, on the SS and Titanium versions when the plunger is depressed...but not on the Al versions?

The part that rides inside of the pen is shaped different. On the aluminum pens it has a rounded top that fills that gap while on steel and titanium versions the same piece has a flat top, leaving a gap when pen is deployed. Probably do to the way the parts are machined.

does this use a 0.7mm refill size? or can it? I like writing with my Zebra F-301 which uses a 0.7mm refill as the strokes are very fine.

Yes it does as I use both pens. The feel is different but if you like Zebra then you will also enjoy the Bastion. Bastion is darker.

Is the entire pen titanium (barrel & clip) ?

The entire pen is titanium. Has a heft to it and yet not heavy.

How much does the pen weigh?

Aluminum 2.6 oz ,stainless steel 2.8oz and titanium 1.6oz. I hope that helps.

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BASTION Slim Stainless Steel Bolt Action Pen, Small Executive Pen, Silver

Product ID: 425653137

Details

Age Range (Description)
Adult
Brand
BASTION
Color
Stainless
Ink Color
Black
Writing Instrument Form
Multifunction

⚙️Precision CNC Machined

✒️Parker G2 ISO Refill Compatible

🖊️17% Slimmer Profile

¥14597

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Description

🖋️ Elevate your everyday carry with precision and style—because your pen should work as hard as you do.

REFILL YOUR SUCCESS - Compatible with Parker G2 ISO refills, including Schmidt easyFLOW and Parker QuinkFlow, so you never run out of ink.
HYPER BOLT SLIM ACTION - Experience smooth, reliable bolt action in a barrel 17% slimmer—perfect for all-day comfort and ambidextrous use.
ENGINEERED FOR PRECISION - Every component CNC machined to tight tolerances ensures durability and a premium feel in your hand.
SEAMLESS STAINLESS STEEL ELEGANCE - Crafted from SUS 304 with a flawless tip-to-body transition for a sleek, professional look.
GIFT READY WITH LIFETIME ASSURANCE - Arrives in a stylish Bastion gift box and backed by a lifetime warranty—ideal for marking milestones and executive gifting.

The BASTION Bolt Action Pen is a premium stainless steel writing instrument featuring a 17% slimmer profile and a smooth HyperBolt mechanism. Engineered with precision CNC machining, it offers durability and a seamless design. Compatible with Parker G2 ISO refills, it comes presentation-ready with a lifetime warranty, making it the perfect executive gift and everyday carry pen for professionals.

Specifications

ASIN	B09QRTDVLK
Additional Features	Bolt Action Mechanism, Designed in the USA, Sleek and Durable
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#14,539 in Office Products ( See Top 100 in Office Products ) #337 in Ballpoint Pens
Body Shape	Round
Brand	BASTION
Brand Name	BASTION
Closure Type	Retractable Bolt Action
Color	Stainless Steel
Customer Reviews	4.4 out of 5 stars 180 Reviews
Drill Point	Fine
Grip Type	ergonomic grip
Hand Orientation	Right
Included Components	Black Pen Cover, E-Book by Bastion, Black Standard Replacement Ink Cartridge, Lifetime Warranty
Ink Base	Oil
Ink Color	Black
Item Diameter	0.3 inches
Item Dimensions	5 x 0.39 x 0.39 inches
Line Size	0.7 millimeters
Manufacturer	BASTION
Material	Stainless Steel Silver
Material Type	Stainless Steel Silver
Model Name	ball point pen
Model Number	PEN-SLMBLT-STS
Recommended Uses For Product	Writing, note-taking, journaling, office work, business meetings, and general use.
Style	Slim
UPC	850013070817
Unit Count	1 Count
Writing Instrument Form	Multifunction Writing Instruments
Writing Technique	ballpoint

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¥14597

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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